20394167366 has 16 divisors (see below), whose sum is σ = 31332263424. Its totient is φ = 9950527944.

The previous prime is 20394167359. The next prime is 20394167371. The reversal of 20394167366 is 66376149302.

It is a self number, because there is not a number n which added to its sum of digits gives 20394167366.

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, 20126 + ... + 202961.

It is an arithmetic number, because the mean of its divisors is an integer number (1958266464).

Almost surely, 2^20394167366 is an apocalyptic number.

20394167366 is a deficient number, since it is larger than the sum of its proper divisors (10938096058).

20394167366 is a wasteful number, since it uses less digits than its factorization.

20394167366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224195.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 20394167366 in words is "twenty billion, three hundred ninety-four million, one hundred sixty-seven thousand, three hundred sixty-six".