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102020120110220 = 225132631491958469
BaseRepresentation
bin10111001100100101101001…
…000001001110010010001100
3111101020000202120200212202012
4113030211221001032102030
5101332444201222011340
61000551221323320352
730326465452564634
oct2714455101162214
9441200676625665
10102020120110220
112a563543163624
12b5382239800b8
1344c05c0c1a080
141b29b2b8d16c4
15bbdb9dd41565
hex5cc96904e48c

102020120110220 has 48 divisors (see below), whose sum is σ = 231599697215040. Its totient is φ = 37525739387136.

The previous prime is 102020120110213. The next prime is 102020120110247. The reversal of 102020120110220 is 22011021020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020120110195 and 102020120110204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745910855 + ... + 746047614.

It is an arithmetic number, because the mean of its divisors is an integer number (4824993691980).

Almost surely, 2102020120110220 is an apocalyptic number.

102020120110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020120110220 is an abundant number, since it is smaller than the sum of its proper divisors (129579577104820).

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

102020120110220 is a wasteful number, since it uses less digits than its factorization.

102020120110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491958754 (or 1491958752 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102020120110220 its reverse (22011021020201), we get a palindrome (124031141130421).

The spelling of 102020120110220 in words is "one hundred two trillion, twenty billion, one hundred twenty million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 263 526 1052 1315 2630 3419 5260 6838 13676 17095 34190 68380 1491958469 2983916938 5967833876 7459792345 14919584690 19395460097 29839169380 38790920194 77581840388 96977300485 193954600970 387909201940 392385077347 784770154694 1569540309388 1961925386735 3923850773470 5101006005511 7847701546940 10202012011022 20404024022044 25505030027555 51010060055110 102020120110220