20322245952 has 112 divisors (see below), whose sum is σ = 59992768000. Its totient is φ = 6745835520.

The previous prime is 20322245939. The next prime is 20322245969. The reversal of 20322245952 is 25954222302.

It is a happy number.

20322245952 is a `hidden beast` number, since 2 + 0 + 322 + 245 + 95 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 392049 + ... + 440847.

Almost surely, 2^20322245952 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 20322245952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29996384000).

20322245952 is an abundant number, since it is smaller than the sum of its proper divisors (39670522048).

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

20322245952 is a wasteful number, since it uses less digits than its factorization.

20322245952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49061 (or 49045 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 20322245952 in words is "twenty billion, three hundred twenty-two million, two hundred forty-five thousand, nine hundred fifty-two".