20154725360464 has 40 divisors (see below), whose sum is σ = 39449539408160. Its totient is φ = 9974637129600.

The previous prime is 20154725360431. The next prime is 20154725360477. The reversal of 20154725360464 is 46406352745102.

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, 12953247 + ... + 14425534.

It is an arithmetic number, because the mean of its divisors is an integer number (986238485204).

Almost surely, 2^{20154725360464} is an apocalyptic number.

It is an amenable number.

20154725360464 is a deficient number, since it is larger than the sum of its proper divisors (19294814047696).

20154725360464 is a wasteful number, since it uses less digits than its factorization.

20154725360464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27379259 (or 27379253 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 20154725360464 in words is "twenty trillion, one hundred fifty-four billion, seven hundred twenty-five million, three hundred sixty thousand, four hundred sixty-four".