20709101336 has 32 divisors (see below), whose sum is σ = 48410887680. Its totient is φ = 8068480800.

The previous prime is 20709101311. The next prime is 20709101341. The reversal of 20709101336 is 63310190702.

It is a happy number.

It is a congruent 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, 16808720 + ... + 16809951.

It is an arithmetic number, because the mean of its divisors is an integer number (1512840240).

Almost surely, 2^20709101336 is an apocalyptic number.

It is an amenable number.

20709101336 is an abundant number, since it is smaller than the sum of its proper divisors (27701786344).

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

20709101336 is a wasteful number, since it uses less digits than its factorization.

20709101336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33618695 (or 33618691 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 20709101336 in words is "twenty billion, seven hundred nine million, one hundred one thousand, three hundred thirty-six".