20282886724 has 9 divisors (see below), whose sum is σ = 35495550237. Its totient is φ = 10141300944.

The previous prime is 20282886691. The next prime is 20282886737. The reversal of 20282886724 is 42768828202.

The square root of 20282886724 is 142418.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 164301124 + 20118585600 = 12818^2 + 141840^2 .

It is a super-2 number, since 2×20282886724² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 249232 + ... + 320440.

Almost surely, 2^20282886724 is an apocalyptic number.

20282886724 is the 142418-th square number.

It is an amenable number.

20282886724 is a deficient number, since it is larger than the sum of its proper divisors (15212663513).

20282886724 is an frugal number, since it uses more digits than its factorization.

20282886724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142422 (or 71211 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

Multiplying 20282886724 by its sum of digits (49), we get a square (993861449476 = 996926²).

The spelling of 20282886724 in words is "twenty billion, two hundred eighty-two million, eight hundred eighty-six thousand, seven hundred twenty-four".