20020000022 has 16 divisors (see below), whose sum is σ = 33084360144. Its totient is φ = 9009900000.

The previous prime is 20019999991. The next prime is 20020000073. The reversal of 20020000022 is 22000002002.

It is a junction number, because it is equal to n+sod(n) for n = 20019999964 and 20020000009.

It is a congruent number.

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, 4502729 + ... + 4507172.

It is an arithmetic number, because the mean of its divisors is an integer number (2067772509).

Almost surely, 2^20020000022 is an apocalyptic number.

20020000022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20020000022 is a deficient number, since it is larger than the sum of its proper divisors (13064360122).

20020000022 is a wasteful number, since it uses less digits than its factorization.

20020000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010015.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20020000022 its reverse (22000002002), we get a palindrome (42020002024).

The spelling of 20020000022 in words is "twenty billion, twenty million, twenty-two", and thus it is an aban number and an uban number.