210232550420 has 48 divisors (see below), whose sum is σ = 448160458368. Its totient is φ = 82822608000.

The previous prime is 210232550419. The next prime is 210232550447. The reversal of 210232550420 is 24055232012.

It is a self number, because there is not a number n which added to its sum of digits gives 210232550420.

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, 9654545 + ... + 9676295.

It is an arithmetic number, because the mean of its divisors is an integer number (9336676216).

Almost surely, 2^210232550420 is an apocalyptic number.

210232550420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210232550420 is an abundant number, since it is smaller than the sum of its proper divisors (237927907948).

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

210232550420 is a wasteful number, since it uses less digits than its factorization.

210232550420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29040 (or 29038 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 210232550420 its reverse (24055232012), we get a palindrome (234287782432).

The spelling of 210232550420 in words is "two hundred ten billion, two hundred thirty-two million, five hundred fifty thousand, four hundred twenty".