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1010202010220 = 22513173141179821
BaseRepresentation
bin11101011001101001011…
…10110110001001101100
310120120111201022020112102
432230310232312021230
5113022343203311340
62052025210554232
7132661514260034
oct16546456661154
93516451266472
101010202010220
1135a4737761a7
1214394a738978
1374352a95290
1436c733528c4
151b427229215
hexeb34bb626c

1010202010220 has 192 divisors, whose sum is σ = 2557949248512. Its totient is φ = 331444224000.

The previous prime is 1010202010219. The next prime is 1010202010241. The reversal of 1010202010220 is 220102020101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5527910 + ... + 5707730.

It is an arithmetic number, because the mean of its divisors is an integer number (13322652336).

Almost surely, 21010202010220 is an apocalyptic number.

1010202010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010202010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278974624256).

1010202010220 is an abundant number, since it is smaller than the sum of its proper divisors (1547747238292).

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

1010202010220 is a wasteful number, since it uses less digits than its factorization.

1010202010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179932 (or 179930 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1010202010220 its reverse (220102020101), we get a palindrome (1230304030321).

The spelling of 1010202010220 in words is "one trillion, ten billion, two hundred two million, ten thousand, two hundred twenty".