20394288376 has 64 divisors (see below), whose sum is σ = 47693306880. Its totient is φ = 7942769280.

The previous prime is 20394288353. The next prime is 20394288407. The reversal of 20394288376 is 67388249302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2235841 + ... + 2244943.

It is an arithmetic number, because the mean of its divisors is an integer number (745207920).

Almost surely, 2^20394288376 is an apocalyptic number.

It is an amenable number.

20394288376 is an abundant number, since it is smaller than the sum of its proper divisors (27299018504).

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

20394288376 is a wasteful number, since it uses less digits than its factorization.

20394288376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764 (or 12760 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 20394288376 in words is "twenty billion, three hundred ninety-four million, two hundred eighty-eight thousand, three hundred seventy-six".