20442233313 has 24 divisors (see below), whose sum is σ = 30932553600. Its totient is φ = 12991646304.

The previous prime is 20442233293. The next prime is 20442233393. The reversal of 20442233313 is 31333224402.

20442233313 is a `hidden beast` number, since 204 + 422 + 3 + 3 + 31 + 3 = 666.

It is not a de Polignac number, because 20442233313 - 2²² = 20438039009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20442233393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475095 + ... + 516332.

It is an arithmetic number, because the mean of its divisors is an integer number (1288856400).

Almost surely, 2^20442233313 is an apocalyptic number.

It is an amenable number.

20442233313 is a deficient number, since it is larger than the sum of its proper divisors (10490320287).

20442233313 is a wasteful number, since it uses less digits than its factorization.

20442233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991541 (or 991538 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20442233313 its reverse (31333224402), we get a palindrome (51775457715).

The spelling of 20442233313 in words is "twenty billion, four hundred forty-two million, two hundred thirty-three thousand, three hundred thirteen".