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10020102311220 = 223513129731467
BaseRepresentation
bin1001000111001111110010…
…1000111000110100110100
31022110220122011021110200120
42101303330220320310310
52303132132142424340
633151101011211540
72052633322230531
oct221637450706464
938426564243616
1010020102311220
113213557592a71
121159b67ba6bb0
13578b78aa5931
14268d92c47d88
151259a4b6d4d0
hex91cfca38d34

10020102311220 has 72 divisors (see below), whose sum is σ = 28272094388832. Its totient is φ = 2651629855680.

The previous prime is 10020102311189. The next prime is 10020102311227. The reversal of 10020102311220 is 2211320102001.

10020102311220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10020102311220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020102311227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3836074 + ... + 5895393.

Almost surely, 210020102311220 is an apocalyptic number.

10020102311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020102311220 is an abundant number, since it is smaller than the sum of its proper divisors (18251992077612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020102311220 is a wasteful number, since it uses less digits than its factorization.

10020102311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731741 (or 9731608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10020102311220 its reverse (2211320102001), we get a palindrome (12231422413221).

The spelling of 10020102311220 in words is "ten trillion, twenty billion, one hundred two million, three hundred eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 131 262 393 524 655 786 1310 1572 1965 2620 3930 7860 17161 34322 51483 68644 85805 102966 171610 205932 257415 343220 514830 1029660 9731467 19462934 29194401 38925868 48657335 58388802 97314670 116777604 145972005 194629340 291944010 583888020 1274822177 2549644354 3824466531 5099288708 6374110885 7648933062 12748221770 15297866124 19122332655 25496443540 38244665310 76489330620 167001705187 334003410374 501005115561 668006820748 835008525935 1002010231122 1670017051870 2004020462244 2505025577805 3340034103740 5010051155610 10020102311220