20707001300 has 72 divisors (see below), whose sum is σ = 47755302840. Its totient is φ = 7766425600.

The previous prime is 20707001299. The next prime is 20707001303. The reversal of 20707001300 is 310070702.

It can be written as a sum of positive squares in 12 ways, for example, as 3857403664 + 16849597636 = 62108^2 + 129806^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20707001303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434660 + ... + 479940.

It is an arithmetic number, because the mean of its divisors is an integer number (663268095).

Almost surely, 2^20707001300 is an apocalyptic number.

20707001300 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 20707001300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23877651420).

20707001300 is an abundant number, since it is smaller than the sum of its proper divisors (27048301540).

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

20707001300 is a wasteful number, since it uses less digits than its factorization.

20707001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45581 (or 45574 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The spelling of 20707001300 in words is "twenty billion, seven hundred seven million, one thousand, three hundred".