20023532554 has 16 divisors (see below), whose sum is σ = 30331209600. Its totient is φ = 9913583520.

The previous prime is 20023532537. The next prime is 20023532561. The reversal of 20023532554 is 45523532002.

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, 24979 + ... + 201670.

It is an arithmetic number, because the mean of its divisors is an integer number (1895700600).

Almost surely, 2^20023532554 is an apocalyptic number.

20023532554 is a deficient number, since it is larger than the sum of its proper divisors (10307677046).

20023532554 is a wasteful number, since it uses less digits than its factorization.

20023532554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227085.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 20023532554 in words is "twenty billion, twenty-three million, five hundred thirty-two thousand, five hundred fifty-four".