20524878360 has 448 divisors, whose sum is σ = 79693865280. Its totient is φ = 4658135040.

The previous prime is 20524878359. The next prime is 20524878389. The reversal of 20524878360 is 6387842502.

20524878360 is a `hidden beast` number, since 20 + 524 + 8 + 78 + 36 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 39394900 + ... + 39395420.

Almost surely, 2^20524878360 is an apocalyptic number.

20524878360 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 20524878360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39846932640).

20524878360 is an abundant number, since it is smaller than the sum of its proper divisors (59168986920).

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

20524878360 is a wasteful number, since it uses less digits than its factorization.

20524878360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 20524878360 in words is "twenty billion, five hundred twenty-four million, eight hundred seventy-eight thousand, three hundred sixty".