20210020122 has 16 divisors (see below), whose sum is σ = 40457864160. Its totient is φ = 6730369392.

The previous prime is 20210020099. The next prime is 20210020169. The reversal of 20210020122 is 22102001202.

It is a junction number, because it is equal to n+sod(n) for n = 20210020098 and 20210020107.

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, 1569048 + ... + 1581875.

It is an arithmetic number, because the mean of its divisors is an integer number (2528616510).

Almost surely, 2^20210020122 is an apocalyptic number.

20210020122 is an abundant number, since it is smaller than the sum of its proper divisors (20247844038).

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

20210020122 is a wasteful number, since it uses less digits than its factorization.

20210020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151997.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20210020122 its reverse (22102001202), we get a palindrome (42312021324).

It can be divided in two parts, 202100 and 20122, that added together give a palindrome (222222).

The spelling of 20210020122 in words is "twenty billion, two hundred ten million, twenty thousand, one hundred twenty-two".