20706395132 has 12 divisors (see below), whose sum is σ = 36386550816. Its totient is φ = 10310237760.

The previous prime is 20706395051. The next prime is 20706395141. The reversal of 20706395132 is 23159360702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10738868 + ... + 10740795.

It is an arithmetic number, because the mean of its divisors is an integer number (3032212568).

Almost surely, 2^20706395132 is an apocalyptic number.

It is an amenable number.

20706395132 is a deficient number, since it is larger than the sum of its proper divisors (15680155684).

20706395132 is a wasteful number, since it uses less digits than its factorization.

20706395132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21479908 (or 21479906 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 20706395132 in words is "twenty billion, seven hundred six million, three hundred ninety-five thousand, one hundred thirty-two".