20322023012 has 12 divisors (see below), whose sum is σ = 36166312560. Its totient is φ = 9988790856.

The previous prime is 20322023011. The next prime is 20322023069. The reversal of 20322023012 is 21032022302.

It is not an unprimeable number, because it can be changed into a prime (20322023011) 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, 43054898 + ... + 43055369.

It is an arithmetic number, because the mean of its divisors is an integer number (3013859380).

Almost surely, 2^20322023012 is an apocalyptic number.

It is an amenable number.

20322023012 is a deficient number, since it is larger than the sum of its proper divisors (15844289548).

20322023012 is a wasteful number, since it uses less digits than its factorization.

20322023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86110330 (or 86110328 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20322023012 its reverse (21032022302), we get a palindrome (41354045314).

The spelling of 20322023012 in words is "twenty billion, three hundred twenty-two million, twenty-three thousand, twelve".