20774380894 has 8 divisors (see below), whose sum is σ = 31600466928. Its totient is φ = 10240891920.

The previous prime is 20774380883. The next prime is 20774380933. The reversal of 20774380894 is 49808347702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73149087 + ... + 73149370.

It is an arithmetic number, because the mean of its divisors is an integer number (3950058366).

Almost surely, 2^20774380894 is an apocalyptic number.

20774380894 is a deficient number, since it is larger than the sum of its proper divisors (10826086034).

20774380894 is a wasteful number, since it uses less digits than its factorization.

20774380894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146298530.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 20774380894 in words is "twenty billion, seven hundred seventy-four million, three hundred eighty thousand, eight hundred ninety-four".