20154056604 has 48 divisors (see below), whose sum is σ = 51386797056. Its totient is φ = 6097104000.

The previous prime is 20154056603. The next prime is 20154056617. The reversal of 20154056604 is 40665045102.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154056603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47692 + ... + 206355.

It is an arithmetic number, because the mean of its divisors is an integer number (1070558272).

Almost surely, 2^20154056604 is an apocalyptic number.

It is an amenable number.

20154056604 is an abundant number, since it is smaller than the sum of its proper divisors (31232740452).

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

20154056604 is a wasteful number, since it uses less digits than its factorization.

20154056604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254666 (or 254664 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20154056604 in words is "twenty billion, one hundred fifty-four million, fifty-six thousand, six hundred four".