20160468636 has 96 divisors (see below), whose sum is σ = 58740208128. Its totient is φ = 5228309760.

The previous prime is 20160468593. The next prime is 20160468661. The reversal of 20160468636 is 63686406102.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586666 + ... + 620078.

It is an arithmetic number, because the mean of its divisors is an integer number (611877168).

Almost surely, 2^20160468636 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 20160468636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29370104064).

20160468636 is an abundant number, since it is smaller than the sum of its proper divisors (38579739492).

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

20160468636 is a wasteful number, since it uses less digits than its factorization.

20160468636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34091 (or 34089 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 20160468636 in words is "twenty billion, one hundred sixty million, four hundred sixty-eight thousand, six hundred thirty-six".