20827012600 has 24 divisors (see below), whose sum is σ = 48422804760. Its totient is φ = 8330804960.

The previous prime is 20827012589. The next prime is 20827012603. The reversal of 20827012600 is 621072802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20827012603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52067332 + ... + 52067731.

It is an arithmetic number, because the mean of its divisors is an integer number (2017616865).

Almost surely, 2^20827012600 is an apocalyptic number.

20827012600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20827012600 is an abundant number, since it is smaller than the sum of its proper divisors (27595792160).

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

20827012600 is a wasteful number, since it uses less digits than its factorization.

20827012600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104135079 (or 104135070 counting only the distinct ones).

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

The spelling of 20827012600 in words is "twenty billion, eight hundred twenty-seven million, twelve thousand, six hundred".