20515414273001 has 4 divisors (see below), whose sum is σ = 20676952968192. Its totient is φ = 20353875577812.

The previous prime is 20515414272971. The next prime is 20515414273139. The reversal of 20515414273001 is 10037241451502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20515414273001 - 2²² = 20515410078697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20515414273801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80769347405 + ... + 80769347658.

It is an arithmetic number, because the mean of its divisors is an integer number (5169238242048).

Almost surely, 2^{20515414273001} is an apocalyptic number.

It is an amenable number.

20515414273001 is a deficient number, since it is larger than the sum of its proper divisors (161538695191).

20515414273001 is a wasteful number, since it uses less digits than its factorization.

20515414273001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161538695190.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 20515414273001 in words is "twenty trillion, five hundred fifteen billion, four hundred fourteen million, two hundred seventy-three thousand, one".