20674198089160 has 128 divisors (see below), whose sum is σ = 58051304467200. Its totient is φ = 6437666856960.

The previous prime is 20674198089133. The next prime is 20674198089161. The reversal of 20674198089160 is 6198089147602.

It is not an unprimeable number, because it can be changed into a prime (20674198089161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67345 + ... + 6430624.

It is an arithmetic number, because the mean of its divisors is an integer number (453525816150).

Almost surely, 2^{20674198089160} is an apocalyptic number.

20674198089160 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 20674198089160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29025652233600).

20674198089160 is an abundant number, since it is smaller than the sum of its proper divisors (37377106378040).

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

20674198089160 is a wasteful number, since it uses less digits than its factorization.

20674198089160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499031 (or 6499027 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 20674198089160 in words is "twenty trillion, six hundred seventy-four billion, one hundred ninety-eight million, eighty-nine thousand, one hundred sixty".