20054475615575 has 48 divisors (see below), whose sum is σ = 25717113416064. Its totient is φ = 15501615667200.

The previous prime is 20054475615541. The next prime is 20054475615583. The reversal of 20054475615575 is 57551657445002.

It is not a de Polignac number, because 20054475615575 - 2³⁶ = 19985756138839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20054475615575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258025970 + ... + 258103680.

It is an arithmetic number, because the mean of its divisors is an integer number (535773196168).

Almost surely, 2^{20054475615575} is an apocalyptic number.

20054475615575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20054475615575 is a deficient number, since it is larger than the sum of its proper divisors (5662637800489).

20054475615575 is a wasteful number, since it uses less digits than its factorization.

20054475615575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79692 (or 79687 counting only the distinct ones).

The product of its (nonzero) digits is 29400000, while the sum is 56.

The spelling of 20054475615575 in words is "twenty trillion, fifty-four billion, four hundred seventy-five million, six hundred fifteen thousand, five hundred seventy-five".