20272872511 has 8 divisors (see below), whose sum is σ = 20752046784. Its totient is φ = 19795691520.

The previous prime is 20272872479. The next prime is 20272872541. The reversal of 20272872511 is 11527827202.

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 20272872511 - 2⁵ = 20272872479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20272872541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477730 + ... + 518431.

It is an arithmetic number, because the mean of its divisors is an integer number (2594005848).

Almost surely, 2^20272872511 is an apocalyptic number.

20272872511 is a deficient number, since it is larger than the sum of its proper divisors (479174273).

20272872511 is an equidigital number, since it uses as much as digits as its factorization.

20272872511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996641.

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 20272872511 in words is "twenty billion, two hundred seventy-two million, eight hundred seventy-two thousand, five hundred eleven".