20060426646 has 48 divisors (see below), whose sum is σ = 46818705024. Its totient is φ = 6170982912.

The previous prime is 20060426623. The next prime is 20060426663. The reversal of 20060426646 is 64662406002.

20060426646 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 0 + 4 + 2 + 6 + 646 = 666.

20060426646 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20060426646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1407910 + ... + 1422086.

It is an arithmetic number, because the mean of its divisors is an integer number (975389688).

Almost surely, 2^20060426646 is an apocalyptic number.

20060426646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20060426646 is an abundant number, since it is smaller than the sum of its proper divisors (26758278378).

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

20060426646 is a wasteful number, since it uses less digits than its factorization.

20060426646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20245 (or 20242 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 20060426646 in words is "twenty billion, sixty million, four hundred twenty-six thousand, six hundred forty-six".