20744740204 has 6 divisors (see below), whose sum is σ = 36303295364. Its totient is φ = 10372370100.

The previous prime is 20744740199. The next prime is 20744740223. The reversal of 20744740204 is 40204744702.

It is a super-3 number, since 3×20744740204³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20744740204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593092522 + ... + 2593092529.

Almost surely, 2^20744740204 is an apocalyptic number.

It is an amenable number.

20744740204 is a deficient number, since it is larger than the sum of its proper divisors (15558555160).

20744740204 is a wasteful number, since it uses less digits than its factorization.

20744740204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186185055 (or 5186185053 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 34.

The spelling of 20744740204 in words is "twenty billion, seven hundred forty-four million, seven hundred forty thousand, two hundred four".