102250453555420 has 24 divisors (see below), whose sum is σ = 216270743497200. Its totient is φ = 40605935511552.

The previous prime is 102250453555363. The next prime is 102250453555427. The reversal of 102250453555420 is 24555354052201.

It is a super-2 number, since 2×102250453555420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102250453555427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18390366565 + ... + 18390372124.

It is an arithmetic number, because the mean of its divisors is an integer number (9011280979050).

Almost surely, 2^{102250453555420} is an apocalyptic number.

102250453555420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102250453555420 is an abundant number, since it is smaller than the sum of its proper divisors (114020289941780).

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

102250453555420 is a wasteful number, since it uses less digits than its factorization.

102250453555420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36780738837 (or 36780738835 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 102250453555420 in words is "one hundred two trillion, two hundred fifty billion, four hundred fifty-three million, five hundred fifty-five thousand, four hundred twenty".