20282894872 has 24 divisors (see below), whose sum is σ = 39387055500. Its totient is φ = 9791739104.

The previous prime is 20282894869. The next prime is 20282894887. The reversal of 20282894872 is 27849828202.

It is a super-2 number, since 2×20282894872² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500622 + ... + 1514077.

Almost surely, 2^20282894872 is an apocalyptic number.

It is an amenable number.

20282894872 is a deficient number, since it is larger than the sum of its proper divisors (19104160628).

20282894872 is a wasteful number, since it uses less digits than its factorization.

20282894872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014763 (or 3014730 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 20282894872 in words is "twenty billion, two hundred eighty-two million, eight hundred ninety-four thousand, eight hundred seventy-two".