20012122092 has 48 divisors (see below), whose sum is σ = 46907707392. Its totient is φ = 6640381440.

The previous prime is 20012122073. The next prime is 20012122103. The reversal of 20012122092 is 29022121002.

It is a happy number.

It is a super-2 number, since 2×20012122092² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669173 + ... + 2676659.

It is an arithmetic number, because the mean of its divisors is an integer number (977243904).

Almost surely, 2^20012122092 is an apocalyptic number.

It is an amenable number.

20012122092 is an abundant number, since it is smaller than the sum of its proper divisors (26895585300).

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

20012122092 is a wasteful number, since it uses less digits than its factorization.

20012122092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8478 (or 8476 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20012122092 its reverse (29022121002), we get a palindrome (49034243094).

The spelling of 20012122092 in words is "twenty billion, twelve million, one hundred twenty-two thousand, ninety-two".