20054536415 has 8 divisors (see below), whose sum is σ = 24091982160. Its totient is φ = 16025936832.

The previous prime is 20054536367. The next prime is 20054536427. The reversal of 20054536415 is 51463545002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20054536415 - 2²² = 20050342111 is a prime.

It is a super-2 number, since 2×20054536415² (a number of 21 digits) contains 22 as substring.

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, 2206550 + ... + 2215619.

It is an arithmetic number, because the mean of its divisors is an integer number (3011497770).

Almost surely, 2^20054536415 is an apocalyptic number.

20054536415 is a deficient number, since it is larger than the sum of its proper divisors (4037445745).

20054536415 is an equidigital number, since it uses as much as digits as its factorization.

20054536415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423081.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 20054536415 in words is "twenty billion, fifty-four million, five hundred thirty-six thousand, four hundred fifteen".