20700740000 has 240 divisors, whose sum is σ = 52926683040. Its totient is φ = 7962240000.

The previous prime is 20700739991. The next prime is 20700740029. The reversal of 20700740000 is 4700702.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62539835 + ... + 62540165.

It is an arithmetic number, because the mean of its divisors is an integer number (220527846).

Almost surely, 2^20700740000 is an apocalyptic number.

20700740000 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 20700740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26463341520).

20700740000 is an abundant number, since it is smaller than the sum of its proper divisors (32225943040).

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

20700740000 is an equidigital number, since it uses as much as digits as its factorization.

20700740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The spelling of 20700740000 in words is "twenty billion, seven hundred million, seven hundred forty thousand".