20361946752 has 512 divisors, whose sum is σ = 74680320000. Its totient is φ = 5329981440.

The previous prime is 20361946699. The next prime is 20361946753. The reversal of 20361946752 is 25764916302.

20361946752 is a `hidden beast` number, since 20 + 3 + 619 + 4 + 6 + 7 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20361946698 and 20361946707.

It is not an unprimeable number, because it can be changed into a prime (20361946753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14248374 + ... + 14249802.

It is an arithmetic number, because the mean of its divisors is an integer number (145860000).

Almost surely, 2^20361946752 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 20361946752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37340160000).

20361946752 is an abundant number, since it is smaller than the sum of its proper divisors (54318373248).

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

20361946752 is a wasteful number, since it uses less digits than its factorization.

20361946752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 20361946752 in words is "twenty billion, three hundred sixty-one million, nine hundred forty-six thousand, seven hundred fifty-two".