20360953361952 has 840 divisors, whose sum is σ = 72923629496256. Its totient is φ = 5562567343872.

The previous prime is 20360953361951. The next prime is 20360953361971. The reversal of 20360953361952 is 25916335906302.

It is a happy number.

20360953361952 is a `hidden beast` number, since 2 + 0 + 36 + 0 + 95 + 336 + 195 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (20360953361951) by changing a digit.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 7013761333 + ... + 7013764235.

Almost surely, 2^{20360953361952} 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 20360953361952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36461814748128).

20360953361952 is an abundant number, since it is smaller than the sum of its proper divisors (52562676134304).

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

20360953361952 is an frugal number, since it uses more digits than its factorization.

20360953361952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 54.

The spelling of 20360953361952 in words is "twenty trillion, three hundred sixty billion, nine hundred fifty-three million, three hundred sixty-one thousand, nine hundred fifty-two".