20210010020 has 12 divisors (see below), whose sum is σ = 42441021084. Its totient is φ = 8084004000.

The previous prime is 20210009983. The next prime is 20210010053. The reversal of 20210010020 is 2001001202.

It can be written as a sum of positive squares in 2 ways, for example, as 14001515584 + 6208494436 = 118328^2 + 78794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505250231 + ... + 505250270.

It is an arithmetic number, because the mean of its divisors is an integer number (3536751757).

Almost surely, 2^20210010020 is an apocalyptic number.

20210010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210010020 is an abundant number, since it is smaller than the sum of its proper divisors (22231011064).

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

20210010020 is a wasteful number, since it uses less digits than its factorization.

20210010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010500510 (or 1010500508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20210010020 its reverse (2001001202), we get a palindrome (22211011222).

The spelling of 20210010020 in words is "twenty billion, two hundred ten million, ten thousand, twenty".