102028425420 has 24 divisors (see below), whose sum is σ = 285679591344. Its totient is φ = 27207580096.

The previous prime is 102028425419. The next prime is 102028425469. The reversal of 102028425420 is 24524820201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850236819 + ... + 850236938.

It is an arithmetic number, because the mean of its divisors is an integer number (11903316306).

Almost surely, 2^102028425420 is an apocalyptic number.

102028425420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102028425420 is an abundant number, since it is smaller than the sum of its proper divisors (183651165924).

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

102028425420 is a wasteful number, since it uses less digits than its factorization.

102028425420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700473769 (or 1700473767 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The spelling of 102028425420 in words is "one hundred two billion, twenty-eight million, four hundred twenty-five thousand, four hundred twenty".