20160436360 has 64 divisors (see below), whose sum is σ = 46671130800. Its totient is φ = 7832985600.

The previous prime is 20160436339. The next prime is 20160436379. The reversal of 20160436360 is 6363406102.

It can be written as a sum of positive squares in 8 ways, for example, as 7170363684 + 12990072676 = 84678^2 + 113974^2 .

It is a super-2 number, since 2×20160436360² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348720 + ... + 402400.

Almost surely, 2^20160436360 is an apocalyptic number.

20160436360 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 20160436360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23335565400).

20160436360 is an abundant number, since it is smaller than the sum of its proper divisors (26510694440).

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

20160436360 is a wasteful number, since it uses less digits than its factorization.

20160436360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53962 (or 53958 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 20160436360 in words is "twenty billion, one hundred sixty million, four hundred thirty-six thousand, three hundred sixty".