20237351854 has 32 divisors (see below), whose sum is σ = 32628043296. Its totient is φ = 9379722240.

The previous prime is 20237351777. The next prime is 20237351857. The reversal of 20237351854 is 45815373202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20237351857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873489 + ... + 1884259.

It is an arithmetic number, because the mean of its divisors is an integer number (1019626353).

Almost surely, 2^20237351854 is an apocalyptic number.

20237351854 is a deficient number, since it is larger than the sum of its proper divisors (12390691442).

20237351854 is a wasteful number, since it uses less digits than its factorization.

20237351854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20237351854 in words is "twenty billion, two hundred thirty-seven million, three hundred fifty-one thousand, eight hundred fifty-four".