20074265231 has 4 divisors (see below), whose sum is σ = 20075927832. Its totient is φ = 20072602632.

The previous prime is 20074265219. The next prime is 20074265257. The reversal of 20074265231 is 13256247002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20074265231 is a prime.

It is a super-2 number, since 2×20074265231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20074265291) 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, 813056 + ... + 837381.

It is an arithmetic number, because the mean of its divisors is an integer number (5018981958).

Almost surely, 2^20074265231 is an apocalyptic number.

20074265231 is a deficient number, since it is larger than the sum of its proper divisors (1662601).

20074265231 is a wasteful number, since it uses less digits than its factorization.

20074265231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662600.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20074265231 in words is "twenty billion, seventy-four million, two hundred sixty-five thousand, two hundred thirty-one".