20272990135 has 8 divisors (see below), whose sum is σ = 24424512336. Its totient is φ = 16153776000.

The previous prime is 20272990121. The next prime is 20272990147. The reversal of 20272990135 is 53109927202.

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

It is not a de Polignac number, because 20272990135 - 2⁹ = 20272989623 is a prime.

It is a Duffinian number.

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, 8075634 + ... + 8078143.

It is an arithmetic number, because the mean of its divisors is an integer number (3053064042).

Almost surely, 2^20272990135 is an apocalyptic number.

20272990135 is a deficient number, since it is larger than the sum of its proper divisors (4151522201).

20272990135 is a wasteful number, since it uses less digits than its factorization.

20272990135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16154033.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 20272990135 in words is "twenty billion, two hundred seventy-two million, nine hundred ninety thousand, one hundred thirty-five".