20020010022 has 24 divisors (see below), whose sum is σ = 45659672760. Its totient is φ = 6322108320.

The previous prime is 20020010009. The next prime is 20020010039. The reversal of 20020010022 is 22001002002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20020009986 and 20020010013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29268679 + ... + 29269362.

It is an arithmetic number, because the mean of its divisors is an integer number (1902486365).

Almost surely, 2^20020010022 is an apocalyptic number.

20020010022 is an abundant number, since it is smaller than the sum of its proper divisors (25639662738).

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

20020010022 is a wasteful number, since it uses less digits than its factorization.

20020010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58538068 (or 58538065 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20020010022 its reverse (22001002002), we get a palindrome (42021012024).

The spelling of 20020010022 in words is "twenty billion, twenty million, ten thousand, twenty-two".