210211012020 has 48 divisors (see below), whose sum is σ = 588642163200. Its totient is φ = 56051381376.

The previous prime is 210211011953. The next prime is 210211012069. The reversal of 210211012020 is 20210112012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210211011987 and 210211012005.

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, 569181 + ... + 862779.

It is an arithmetic number, because the mean of its divisors is an integer number (12263378400).

Almost surely, 2^210211012020 is an apocalyptic number.

210211012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211012020 is an abundant number, since it is smaller than the sum of its proper divisors (378431151180).

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

210211012020 is a wasteful number, since it uses less digits than its factorization.

210211012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305544 (or 305542 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210211012020 its reverse (20210112012), we get a palindrome (230421124032).

The spelling of 210211012020 in words is "two hundred ten billion, two hundred eleven million, twelve thousand, twenty".