102457027220 has 24 divisors (see below), whose sum is σ = 215170696104. Its totient is φ = 40980727296.

The previous prime is 102457027199. The next prime is 102457027259. The reversal of 102457027220 is 22720754201.

It can be written as a sum of positive squares in 4 ways, for example, as 10179599236 + 92277427984 = 100894^2 + 303772^2 .

It is a super-3 number, since 3×102457027220³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309152 + ... + 548168.

It is an arithmetic number, because the mean of its divisors is an integer number (8965445671).

Almost surely, 2^102457027220 is an apocalyptic number.

102457027220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102457027220 is an abundant number, since it is smaller than the sum of its proper divisors (112713668884).

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

102457027220 is a wasteful number, since it uses less digits than its factorization.

102457027220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260459 (or 260457 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The spelling of 102457027220 in words is "one hundred two billion, four hundred fifty-seven million, twenty-seven thousand, two hundred twenty".