20747200535 has 8 divisors (see below), whose sum is σ = 24924714336. Its totient is φ = 16579044640.

The previous prime is 20747200483. The next prime is 20747200543. The reversal of 20747200535 is 53500274702.

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

It is a de Polignac number, because none of the positive numbers 2^k-20747200535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20747200495 and 20747200504.

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, 2334596 + ... + 2343465.

It is an arithmetic number, because the mean of its divisors is an integer number (3115589292).

Almost surely, 2^20747200535 is an apocalyptic number.

20747200535 is a deficient number, since it is larger than the sum of its proper divisors (4177513801).

20747200535 is an equidigital number, since it uses as much as digits as its factorization.

20747200535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678953.

The product of its (nonzero) digits is 58800, while the sum is 35.

The spelling of 20747200535 in words is "twenty billion, seven hundred forty-seven million, two hundred thousand, five hundred thirty-five".