102430020 has 96 divisors (see below), whose sum is σ = 357590016. Its totient is φ = 21283200.

The previous prime is 102430019. The next prime is 102430033. The reversal of 102430020 is 20034201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102429978 and 102430005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6466 + ... + 15705.

It is an arithmetic number, because the mean of its divisors is an integer number (3724896).

Almost surely, 2^102430020 is an apocalyptic number.

102430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102430020 is an abundant number, since it is smaller than the sum of its proper divisors (255159996).

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

102430020 is a wasteful number, since it uses less digits than its factorization.

102430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201 (or 22199 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102430020 is about 10120.7717097067. The cubic root of 102430020 is about 467.8885518828. Note that the first 3 decimals are identical.

Adding to 102430020 its reverse (20034201), we get a palindrome (122464221).

The spelling of 102430020 in words is "one hundred two million, four hundred thirty thousand, twenty".