20200022120 has 64 divisors (see below), whose sum is σ = 45645411600. Its totient is φ = 8045363200.

The previous prime is 20200022107. The next prime is 20200022137. The reversal of 20200022120 is 2122000202.

It can be written as a sum of positive squares in 8 ways, for example, as 20066988964 + 133033156 = 141658^2 + 11534^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15670436 + ... + 15671724.

Almost surely, 2^20200022120 is an apocalyptic number.

20200022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200022120 is an abundant number, since it is smaller than the sum of its proper divisors (25445389480).

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

20200022120 is a wasteful number, since it uses less digits than its factorization.

20200022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20200022120 its reverse (2122000202), we get a palindrome (22322022322).

The spelling of 20200022120 in words is "twenty billion, two hundred million, twenty-two thousand, one hundred twenty".