201232301020 has 48 divisors (see below), whose sum is σ = 427524350400. Its totient is φ = 79555443200.

The previous prime is 201232300963. The next prime is 201232301033. The reversal of 201232301020 is 20103232102.

It is a junction number, because it is equal to n+sod(n) for n = 201232300985 and 201232301003.

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, 1061841 + ... + 1236919.

It is an arithmetic number, because the mean of its divisors is an integer number (8906757300).

Almost surely, 2^201232301020 is an apocalyptic number.

201232301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201232301020 is an abundant number, since it is smaller than the sum of its proper divisors (226292049380).

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

201232301020 is a wasteful number, since it uses less digits than its factorization.

201232301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175758 (or 175756 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201232301020 its reverse (20103232102), we get a palindrome (221335533122).

The spelling of 201232301020 in words is "two hundred one billion, two hundred thirty-two million, three hundred one thousand, twenty".