20584743706 has 16 divisors (see below), whose sum is σ = 31090010688. Its totient is φ = 10221444000.

The previous prime is 20584743689. The next prime is 20584743749. The reversal of 20584743706 is 60734748502.

It is a super-2 number, since 2×20584743706² (a number of 21 digits) contains 22 as substring.

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, 1537461 + ... + 1550791.

It is an arithmetic number, because the mean of its divisors is an integer number (1943125668).

Almost surely, 2^20584743706 is an apocalyptic number.

20584743706 is a deficient number, since it is larger than the sum of its proper divisors (10505266982).

20584743706 is a wasteful number, since it uses less digits than its factorization.

20584743706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18597.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 20584743706 in words is "twenty billion, five hundred eighty-four million, seven hundred forty-three thousand, seven hundred six".