20473500554 has 64 divisors (see below), whose sum is σ = 36604431360. Its totient is φ = 8491929600.

The previous prime is 20473500529. The next prime is 20473500557. The reversal of 20473500554 is 45500537402.

It is not an unprimeable number, because it can be changed into a prime (20473500557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7307954 + ... + 7310754.

It is an arithmetic number, because the mean of its divisors is an integer number (571944240).

Almost surely, 2^20473500554 is an apocalyptic number.

20473500554 is a deficient number, since it is larger than the sum of its proper divisors (16130930806).

20473500554 is a wasteful number, since it uses less digits than its factorization.

20473500554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its (nonzero) digits is 84000, while the sum is 35.

The spelling of 20473500554 in words is "twenty billion, four hundred seventy-three million, five hundred thousand, five hundred fifty-four".