210020023232 has 28 divisors (see below), whose sum is σ = 416774107776. Its totient is φ = 105006074880.

The previous prime is 210020023219. The next prime is 210020023237. The reversal of 210020023232 is 232320020012.

It is a self number, because there is not a number n which added to its sum of digits gives 210020023232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020023237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460632 + ... + 2544552.

Almost surely, 2^210020023232 is an apocalyptic number.

It is an amenable number.

210020023232 is a deficient number, since it is larger than the sum of its proper divisors (206754084544).

210020023232 is an equidigital number, since it uses as much as digits as its factorization.

210020023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123036 (or 123026 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 210020023232 its reverse (232320020012), we get a palindrome (442340043244).

The spelling of 210020023232 in words is "two hundred ten billion, twenty million, twenty-three thousand, two hundred thirty-two".