20009392846 has 16 divisors (see below), whose sum is σ = 31347523584. Its totient is φ = 9561009304.

The previous prime is 20009392817. The next prime is 20009392847. The reversal of 20009392846 is 64829390002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20009392847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 146446 + ... + 247921.

It is an arithmetic number, because the mean of its divisors is an integer number (1959220224).

Almost surely, 2^20009392846 is an apocalyptic number.

20009392846 is a deficient number, since it is larger than the sum of its proper divisors (11338130738).

20009392846 is a wasteful number, since it uses less digits than its factorization.

20009392846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395495.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 20009392846 in words is "twenty billion, nine million, three hundred ninety-two thousand, eight hundred forty-six".