20535252351 has 8 divisors (see below), whose sum is σ = 27381764400. Its totient is φ = 13689454272.

The previous prime is 20535252347. The next prime is 20535252359. The reversal of 20535252351 is 15325253502.

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

It is not a de Polignac number, because 20535252351 - 2² = 20535252347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535252359) 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, 107326 + ... + 229323.

It is an arithmetic number, because the mean of its divisors is an integer number (3422720550).

Almost surely, 2^20535252351 is an apocalyptic number.

20535252351 is a deficient number, since it is larger than the sum of its proper divisors (6846512049).

20535252351 is a wasteful number, since it uses less digits than its factorization.

20535252351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356985.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 20535252351 in words is "twenty billion, five hundred thirty-five million, two hundred fifty-two thousand, three hundred fifty-one".