20154514350 has 48 divisors (see below), whose sum is σ = 49992550272. Its totient is φ = 5373531360.

The previous prime is 20154514319. The next prime is 20154514363. The reversal of 20154514350 is 5341545102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1146729 + ... + 1164171.

It is an arithmetic number, because the mean of its divisors is an integer number (1041511464).

Almost surely, 2^20154514350 is an apocalyptic number.

20154514350 is an abundant number, since it is smaller than the sum of its proper divisors (29838035922).

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

20154514350 is a wasteful number, since it uses less digits than its factorization.

20154514350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25161 (or 25156 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 20154514350 in words is "twenty billion, one hundred fifty-four million, five hundred fourteen thousand, three hundred fifty".