20680948000 has 48 divisors (see below), whose sum is σ = 50813099064. Its totient is φ = 8272377600.

The previous prime is 20680947977. The next prime is 20680948027. The reversal of 20680948000 is 84908602.

It can be written as a sum of positive squares in 4 ways, for example, as 2022480784 + 18658467216 = 44972^2 + 136596^2 .

It is a super-2 number, since 2×20680948000² (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 7 ways as a sum of consecutive naturals, for example, 2581119 + ... + 2589118.

Almost surely, 2^20680948000 is an apocalyptic number.

20680948000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20680948000 is an abundant number, since it is smaller than the sum of its proper divisors (30132151064).

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

20680948000 is an equidigital number, since it uses as much as digits as its factorization.

20680948000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170262 (or 5170244 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 20680948000 in words is "twenty billion, six hundred eighty million, nine hundred forty-eight thousand".