102012203020 has 48 divisors (see below), whose sum is σ = 263662314048. Its totient is φ = 32285180160.

The previous prime is 102012202987. The next prime is 102012203063. The reversal of 102012203020 is 20302210201.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 28023511 + ... + 28027150.

It is an arithmetic number, because the mean of its divisors is an integer number (5492964876).

Almost surely, 2^102012203020 is an apocalyptic number.

102012203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012203020 is an abundant number, since it is smaller than the sum of its proper divisors (161650111028).

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

102012203020 is a wasteful number, since it uses less digits than its factorization.

102012203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56050690 (or 56050688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102012203020 its reverse (20302210201), we get a palindrome (122314413221).

The spelling of 102012203020 in words is "one hundred two billion, twelve million, two hundred three thousand, twenty".