20234051854 has 16 divisors (see below), whose sum is σ = 31409881920. Its totient is φ = 9764362720.

The previous prime is 20234051837. The next prime is 20234051863. The reversal of 20234051854 is 45815043202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85467 + ... + 218569.

It is an arithmetic number, because the mean of its divisors is an integer number (1963117620).

Almost surely, 2^20234051854 is an apocalyptic number.

20234051854 is a deficient number, since it is larger than the sum of its proper divisors (11175830066).

20234051854 is a wasteful number, since it uses less digits than its factorization.

20234051854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135755.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 20234051854 in words is "twenty billion, two hundred thirty-four million, fifty-one thousand, eight hundred fifty-four".