20134462154 has 16 divisors (see below), whose sum is σ = 31958686080. Its totient is φ = 9493896720.

The previous prime is 20134462147. The next prime is 20134462199. The reversal of 20134462154 is 45126443102.

It is a self number, because there is not a number n which added to its sum of digits gives 20134462154.

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, 3079169 + ... + 3085700.

It is an arithmetic number, because the mean of its divisors is an integer number (1997417880).

Almost surely, 2^20134462154 is an apocalyptic number.

20134462154 is a deficient number, since it is larger than the sum of its proper divisors (11824223926).

20134462154 is a wasteful number, since it uses less digits than its factorization.

20134462154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164965.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 20134462154 in words is "twenty billion, one hundred thirty-four million, four hundred sixty-two thousand, one hundred fifty-four".