22431333020 has 24 divisors (see below), whose sum is σ = 47394798864. Its totient is φ = 8917485696.

The previous prime is 22431333013. The next prime is 22431333037. The reversal of 22431333020 is 2033313422.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3437129 + ... + 3443648.

It is an arithmetic number, because the mean of its divisors is an integer number (1974783286).

Almost surely, 2^22431333020 is an apocalyptic number.

22431333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22431333020 is an abundant number, since it is smaller than the sum of its proper divisors (24963465844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22431333020 is a wasteful number, since it uses less digits than its factorization.

22431333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880949 (or 6880947 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22431333020 its reverse (2033313422), we get a palindrome (24464646442).

The spelling of 22431333020 in words is "twenty-two billion, four hundred thirty-one million, three hundred thirty-three thousand, twenty".