20022021112 has 32 divisors (see below), whose sum is σ = 38211138000. Its totient is φ = 9833243904.

The previous prime is 20022021101. The next prime is 20022021113. The reversal of 20022021112 is 21112022002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022021092 and 20022021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133548 + ... + 240580.

Almost surely, 2^20022021112 is an apocalyptic number.

It is an amenable number.

20022021112 is a deficient number, since it is larger than the sum of its proper divisors (18189116888).

20022021112 is a wasteful number, since it uses less digits than its factorization.

20022021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107455 (or 107451 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022021112 its reverse (21112022002), we get a palindrome (41134043114).

The spelling of 20022021112 in words is "twenty billion, twenty-two million, twenty-one thousand, one hundred twelve".