20324754372 has 96 divisors (see below), whose sum is σ = 51791265792. Its totient is φ = 6166371456.

The previous prime is 20324754319. The next prime is 20324754377. The reversal of 20324754372 is 27345742302.

It is a super-2 number, since 2×20324754372² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 20324754372.

It is not an unprimeable number, because it can be changed into a prime (20324754377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3305533 + ... + 3311675.

It is an arithmetic number, because the mean of its divisors is an integer number (539492352).

Almost surely, 2^20324754372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20324754372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25895632896).

20324754372 is an abundant number, since it is smaller than the sum of its proper divisors (31466511420).

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

20324754372 is a wasteful number, since it uses less digits than its factorization.

20324754372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457 (or 6455 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 39.

The spelling of 20324754372 in words is "twenty billion, three hundred twenty-four million, seven hundred fifty-four thousand, three hundred seventy-two".