20764810000 has 225 divisors, whose sum is σ = 55684549459. Its totient is φ = 7493200000.

The previous prime is 20764809943. The next prime is 20764810051. The reversal of 20764810000 is 1846702.

The square root of 20764810000 is 144100.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 1627961104 + 19136848896 = 40348^2 + 138336^2 .

It is a super-2 number, since 2×20764810000² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 158509935 + ... + 158510065.

Almost surely, 2^20764810000 is an apocalyptic number.

20764810000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

20764810000 is the 144100-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20764810000

20764810000 is an abundant number, since it is smaller than the sum of its proper divisors (34919739459).

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

20764810000 is an equidigital number, since it uses as much as digits as its factorization.

20764810000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 20764810000 in words is "twenty billion, seven hundred sixty-four million, eight hundred ten thousand".