102020130420 has 48 divisors (see below), whose sum is σ = 307629934080. Its totient is φ = 25112647296.

The previous prime is 102020130379. The next prime is 102020130467. The reversal of 102020130420 is 24031020201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102020130420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65396740 + ... + 65398299.

It is an arithmetic number, because the mean of its divisors is an integer number (6408956960).

Almost surely, 2^102020130420 is an apocalyptic number.

102020130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020130420 is an abundant number, since it is smaller than the sum of its proper divisors (205609803660).

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

102020130420 is a wasteful number, since it uses less digits than its factorization.

102020130420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130795064 (or 130795062 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 102020130420 its reverse (24031020201), we get a palindrome (126051150621).

The spelling of 102020130420 in words is "one hundred two billion, twenty million, one hundred thirty thousand, four hundred twenty".