210010021222020 has 48 divisors (see below), whose sum is σ = 588059345659968. Its totient is φ = 55999692684160.

The previous prime is 210010021222009. The next prime is 210010021222037. The reversal of 210010021222020 is 20222120010012.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 91976586 + ... + 94232225.

It is an arithmetic number, because the mean of its divisors is an integer number (12251236367916).

Almost surely, 2^{210010021222020} is an apocalyptic number.

210010021222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010021222020 is an abundant number, since it is smaller than the sum of its proper divisors (378049324437948).

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

210010021222020 is a wasteful number, since it uses less digits than its factorization.

210010021222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186227620 (or 186227618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210010021222020 its reverse (20222120010012), we get a palindrome (230232141232032).

The spelling of 210010021222020 in words is "two hundred ten trillion, ten billion, twenty-one million, two hundred twenty-two thousand, twenty".