20040752311 has 32 divisors (see below), whose sum is σ = 23146905600. Its totient is φ = 17237975040.

The previous prime is 20040752287. The next prime is 20040752323. The reversal of 20040752311 is 11325704002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20040752311 - 2⁹ = 20040751799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040752351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947095 + ... + 968023.

It is an arithmetic number, because the mean of its divisors is an integer number (723340800).

Almost surely, 2^20040752311 is an apocalyptic number.

20040752311 is a deficient number, since it is larger than the sum of its proper divisors (3106153289).

20040752311 is a wasteful number, since it uses less digits than its factorization.

20040752311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21079.

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 20040752311 in words is "twenty billion, forty million, seven hundred fifty-two thousand, three hundred eleven".