20469171316 has 24 divisors (see below), whose sum is σ = 39095290080. Its totient is φ = 9299935200.

The previous prime is 20469171299. The next prime is 20469171377. The reversal of 20469171316 is 61317196402.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 7006 + ... + 202453.

It is an arithmetic number, because the mean of its divisors is an integer number (1628970420).

Almost surely, 2^20469171316 is an apocalyptic number.

It is an amenable number.

20469171316 is a deficient number, since it is larger than the sum of its proper divisors (18626118764).

20469171316 is a wasteful number, since it uses less digits than its factorization.

20469171316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211695 (or 211693 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 20469171316 in words is "twenty billion, four hundred sixty-nine million, one hundred seventy-one thousand, three hundred sixteen".