20736323160 has 64 divisors (see below), whose sum is σ = 71095968000. Its totient is φ = 4739730816.

The previous prime is 20736323131. The next prime is 20736323207. The reversal of 20736323160 is 6132363702.

It is a congruent number.

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, 12342210 + ... + 12343889.

It is an arithmetic number, because the mean of its divisors is an integer number (1110874500).

Almost surely, 2^20736323160 is an apocalyptic number.

20736323160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20736323160 is an abundant number, since it is smaller than the sum of its proper divisors (50359644840).

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

20736323160 is a wasteful number, since it uses less digits than its factorization.

20736323160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24686120 (or 24686116 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

Adding to 20736323160 its reverse (6132363702), we get a palindrome (26868686862).

The spelling of 20736323160 in words is "twenty billion, seven hundred thirty-six million, three hundred twenty-three thousand, one hundred sixty".