20423345914 has 32 divisors (see below), whose sum is σ = 32154566400. Its totient is φ = 9719611200.

The previous prime is 20423345893. The next prime is 20423345927. The reversal of 20423345914 is 41954332402.

It is a super-2 number, since 2×20423345914² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621189 + ... + 653239.

It is an arithmetic number, because the mean of its divisors is an integer number (1004830200).

Almost surely, 2^20423345914 is an apocalyptic number.

20423345914 is a deficient number, since it is larger than the sum of its proper divisors (11731220486).

20423345914 is a wasteful number, since it uses less digits than its factorization.

20423345914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32278.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 20423345914 in words is "twenty billion, four hundred twenty-three million, three hundred forty-five thousand, nine hundred fourteen".