20452333332 has 24 divisors (see below), whose sum is σ = 49796986176. Its totient is φ = 6521033728.

The previous prime is 20452333301. The next prime is 20452333339. The reversal of 20452333332 is 23333325402.

It is a self number, because there is not a number n which added to its sum of digits gives 20452333332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452333339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37051053 + ... + 37051604.

It is an arithmetic number, because the mean of its divisors is an integer number (2074874424).

Almost surely, 2^20452333332 is an apocalyptic number.

It is an amenable number.

20452333332 is an abundant number, since it is smaller than the sum of its proper divisors (29344652844).

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

20452333332 is a wasteful number, since it uses less digits than its factorization.

20452333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74102687 (or 74102685 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 30.

Adding to 20452333332 its reverse (23333325402), we get a palindrome (43785658734).

The spelling of 20452333332 in words is "twenty billion, four hundred fifty-two million, three hundred thirty-three thousand, three hundred thirty-two".