20230506651 has 16 divisors (see below), whose sum is σ = 28679241888. Its totient is φ = 12640972800.

The previous prime is 20230506643. The next prime is 20230506679. The reversal of 20230506651 is 15660503202.

It is not a de Polignac number, because 20230506651 - 2³ = 20230506643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20230506641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810690 + ... + 835271.

It is an arithmetic number, because the mean of its divisors is an integer number (1792452618).

Almost surely, 2^20230506651 is an apocalyptic number.

20230506651 is a deficient number, since it is larger than the sum of its proper divisors (8448735237).

20230506651 is a wasteful number, since it uses less digits than its factorization.

20230506651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646222.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 20230506651 in words is "twenty billion, two hundred thirty million, five hundred six thousand, six hundred fifty-one".