20716433200 has 120 divisors (see below), whose sum is σ = 51626226960. Its totient is φ = 7982208000.

The previous prime is 20716433183. The next prime is 20716433263. The reversal of 20716433200 is 233461702.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1487871 + ... + 1501729.

It is an arithmetic number, because the mean of its divisors is an integer number (430218558).

Almost surely, 2^20716433200 is an apocalyptic number.

20716433200 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 20716433200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25813113480).

20716433200 is an abundant number, since it is smaller than the sum of its proper divisors (30909793760).

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

20716433200 is a wasteful number, since it uses less digits than its factorization.

20716433200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015 (or 14004 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 20716433200 its reverse (233461702), we get a palindrome (20949894902).

The spelling of 20716433200 in words is "twenty billion, seven hundred sixteen million, four hundred thirty-three thousand, two hundred".