20012051022 has 32 divisors (see below), whose sum is σ = 40154281632. Its totient is φ = 6649019904.

The previous prime is 20012051011. The next prime is 20012051039. The reversal of 20012051022 is 22015021002.

It is a super-2 number, since 2×20012051022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012050992 and 20012051010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3004648 + ... + 3011300.

It is an arithmetic number, because the mean of its divisors is an integer number (1254821301).

Almost surely, 2^20012051022 is an apocalyptic number.

20012051022 is an abundant number, since it is smaller than the sum of its proper divisors (20142230610).

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

20012051022 is a wasteful number, since it uses less digits than its factorization.

20012051022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 20012051022 its reverse (22015021002), we get a palindrome (42027072024).

The spelling of 20012051022 in words is "twenty billion, twelve million, fifty-one thousand, twenty-two".