27020123136 has 528 divisors, whose sum is σ = 90243223200. Its totient is φ = 7729053696.

The previous prime is 27020123101. The next prime is 27020123147. The reversal of 27020123136 is 63132102072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86326116 + ... + 86326428.

Almost surely, 2^27020123136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27020123136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45121611600).

27020123136 is an abundant number, since it is smaller than the sum of its proper divisors (63223100064).

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

27020123136 is a wasteful number, since it uses less digits than its factorization.

27020123136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 27020123136 in words is "twenty-seven billion, twenty million, one hundred twenty-three thousand, one hundred thirty-six".