20362015872 has 192 divisors, whose sum is σ = 66289073760. Its totient is φ = 6170204160.

The previous prime is 20362015859. The next prime is 20362015873. The reversal of 20362015872 is 27851026302.

20362015872 is a `hidden beast` number, since 20 + 3 + 620 + 1 + 5 + 8 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×20362015872² (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 not an unprimeable number, because it can be changed into a prime (20362015873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312388 + ... + 371900.

Almost surely, 2^20362015872 is an apocalyptic number.

20362015872 is a gapful number since it is divisible by the number (22) 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 20362015872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33144536880).

20362015872 is an abundant number, since it is smaller than the sum of its proper divisors (45927057888).

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

20362015872 is an equidigital number, since it uses as much as digits as its factorization.

20362015872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59553 (or 59529 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 20362015872 in words is "twenty billion, three hundred sixty-two million, fifteen thousand, eight hundred seventy-two".