210010022020 has 24 divisors (see below), whose sum is σ = 441037657368. Its totient is φ = 84000844800.

The previous prime is 210010022003. The next prime is 210010022051. The reversal of 210010022020 is 20220010012.

It can be written as a sum of positive squares in 4 ways, for example, as 3023240256 + 206986781764 = 54984^2 + 454958^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210010021988 and 210010022006.

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, 388980 + ... + 755860.

It is an arithmetic number, because the mean of its divisors is an integer number (18376569057).

Almost surely, 2^210010022020 is an apocalyptic number.

210010022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010022020 is an abundant number, since it is smaller than the sum of its proper divisors (231027635348).

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

210010022020 is a wasteful number, since it uses less digits than its factorization.

210010022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395511 (or 395509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210010022020 its reverse (20220010012), we get a palindrome (230230032032).

The spelling of 210010022020 in words is "two hundred ten billion, ten million, twenty-two thousand, twenty".