20180526612 has 48 divisors (see below), whose sum is σ = 48828225600. Its totient is φ = 6479334400.

The previous prime is 20180526607. The next prime is 20180526631. The reversal of 20180526612 is 21662508102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76612 + ... + 215012.

It is an arithmetic number, because the mean of its divisors is an integer number (1017254700).

Almost surely, 2^20180526612 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 20180526612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24414112800).

20180526612 is an abundant number, since it is smaller than the sum of its proper divisors (28647698988).

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

20180526612 is a wasteful number, since it uses less digits than its factorization.

20180526612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138856 (or 138854 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 20180526612 in words is "twenty billion, one hundred eighty million, five hundred twenty-six thousand, six hundred twelve".