20037220109 has 32 divisors (see below), whose sum is σ = 22179446784. Its totient is φ = 18038845440.

The previous prime is 20037220103. The next prime is 20037220111. The reversal of 20037220109 is 90102273002.

It is not a de Polignac number, because 20037220109 - 2¹² = 20037216013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20037220103) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7878092 + ... + 7880634.

It is an arithmetic number, because the mean of its divisors is an integer number (693107712).

Almost surely, 2^20037220109 is an apocalyptic number.

It is an amenable number.

20037220109 is a deficient number, since it is larger than the sum of its proper divisors (2142226675).

20037220109 is a wasteful number, since it uses less digits than its factorization.

20037220109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 20037220109 in words is "twenty billion, thirty-seven million, two hundred twenty thousand, one hundred nine".