20452937299392 has 112 divisors (see below), whose sum is σ = 58297691676672. Its totient is φ = 6291059174400.

The previous prime is 20452937299343. The next prime is 20452937299423. The reversal of 20452937299392 is 29399273925402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5906017 + ... + 8705567.

It is an arithmetic number, because the mean of its divisors is an integer number (520515104256).

Almost surely, 2^{20452937299392} 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 20452937299392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29148845838336).

20452937299392 is an abundant number, since it is smaller than the sum of its proper divisors (37844754377280).

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

20452937299392 is a wasteful number, since it uses less digits than its factorization.

20452937299392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802506 (or 2802496 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 66.

The spelling of 20452937299392 in words is "twenty trillion, four hundred fifty-two billion, nine hundred thirty-seven million, two hundred ninety-nine thousand, three hundred ninety-two".