20242433864 has 48 divisors (see below), whose sum is σ = 40226284800. Its totient is φ = 9548076384.

The previous prime is 20242433863. The next prime is 20242433873. The reversal of 20242433864 is 46833424202.

It is a super-2 number, since 2×20242433864² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (20242433863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675569 + ... + 704895.

It is an arithmetic number, because the mean of its divisors is an integer number (838047600).

Almost surely, 2^20242433864 is an apocalyptic number.

It is an amenable number.

20242433864 is a deficient number, since it is larger than the sum of its proper divisors (19983850936).

20242433864 is a wasteful number, since it uses less digits than its factorization.

20242433864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29610 (or 29587 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 20242433864 in words is "twenty billion, two hundred forty-two million, four hundred thirty-three thousand, eight hundred sixty-four".