20063925504 has 720 divisors, whose sum is σ = 74363401728. Its totient is φ = 5250023424.

The previous prime is 20063925439. The next prime is 20063925559. The reversal of 20063925504 is 40552936002.

20063925504 is a `hidden beast` number, since 2 + 0 + 0 + 63 + 92 + 5 + 504 = 666.

It is a super-2 number, since 2×20063925504² (a number of 21 digits) contains 22 as substring.

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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 115976362 + ... + 115976534.

Almost surely, 2^20063925504 is an apocalyptic number.

20063925504 is a gapful number since it is divisible by the number (24) 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 20063925504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37181700864).

20063925504 is an abundant number, since it is smaller than the sum of its proper divisors (54299476224).

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

20063925504 is a wasteful number, since it uses less digits than its factorization.

20063925504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 20063925504 in words is "twenty billion, sixty-three million, nine hundred twenty-five thousand, five hundred four".