210553014220 has 24 divisors (see below), whose sum is σ = 442177215984. Its totient is φ = 84218179776.

The previous prime is 210553014197. The next prime is 210553014239. The reversal of 210553014220 is 22410355012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431067 + ... + 779053.

It is an arithmetic number, because the mean of its divisors is an integer number (18424050666).

Almost surely, 2^210553014220 is an apocalyptic number.

210553014220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210553014220 is an abundant number, since it is smaller than the sum of its proper divisors (231624201764).

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

210553014220 is a wasteful number, since it uses less digits than its factorization.

210553014220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378249 (or 378247 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 210553014220 its reverse (22410355012), we get a palindrome (232963369232).

The spelling of 210553014220 in words is "two hundred ten billion, five hundred fifty-three million, fourteen thousand, two hundred twenty".