20452660344600 has 384 divisors, whose sum is σ = 70183068710400. Its totient is φ = 4885905203200.

The previous prime is 20452660344587. The next prime is 20452660344617. The reversal of 20452660344600 is 644306625402.

It is a super-2 number, since 2×20452660344600² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128944141 + ... + 129102659.

It is an arithmetic number, because the mean of its divisors is an integer number (182768408100).

Almost surely, 2^{20452660344600} is an apocalyptic number.

20452660344600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20452660344600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35091534355200).

20452660344600 is an abundant number, since it is smaller than the sum of its proper divisors (49730408365800).

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

20452660344600 is a wasteful number, since it uses less digits than its factorization.

20452660344600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158835 (or 158826 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 20452660344600 in words is "twenty trillion, four hundred fifty-two billion, six hundred sixty million, three hundred forty-four thousand, six hundred".