20433526860 has 24 divisors (see below), whose sum is σ = 57213875376. Its totient is φ = 5448940480.

The previous prime is 20433526859. The next prime is 20433526891. The reversal of 20433526860 is 6862533402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170279331 + ... + 170279450.

It is an arithmetic number, because the mean of its divisors is an integer number (2383911474).

Almost surely, 2^20433526860 is an apocalyptic number.

20433526860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20433526860 is an abundant number, since it is smaller than the sum of its proper divisors (36780348516).

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

20433526860 is a wasteful number, since it uses less digits than its factorization.

20433526860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340558793 (or 340558791 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 20433526860 in words is "twenty billion, four hundred thirty-three million, five hundred twenty-six thousand, eight hundred sixty".