20784119466 has 16 divisors (see below), whose sum is σ = 45347169888. Its totient is φ = 6298218000.

The previous prime is 20784119453. The next prime is 20784119479. The reversal of 20784119466 is 66491148702.

It is an interprime number because it is at equal distance from previous prime (20784119453) and next prime (20784119479).

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, 157455385 + ... + 157455516.

It is an arithmetic number, because the mean of its divisors is an integer number (2834198118).

Almost surely, 2^20784119466 is an apocalyptic number.

20784119466 is an abundant number, since it is smaller than the sum of its proper divisors (24563050422).

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

20784119466 is a wasteful number, since it uses less digits than its factorization.

20784119466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314910917.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 20784119466 in words is "twenty billion, seven hundred eighty-four million, one hundred nineteen thousand, four hundred sixty-six".