20001714287572 has 12 divisors (see below), whose sum is σ = 35003983676116. Its totient is φ = 10000576094400.

The previous prime is 20001714287539. The next prime is 20001714287593. The reversal of 20001714287572 is 27578241710002.

It can be written as a sum of positive squares in 2 ways, for example, as 1008730974736 + 18992983312836 = 1004356^2 + 4358094^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70102179 + ... + 70386922.

Almost surely, 2^{20001714287572} is an apocalyptic number.

It is an amenable number.

20001714287572 is a deficient number, since it is larger than the sum of its proper divisors (15002269388544).

20001714287572 is a wasteful number, since it uses less digits than its factorization.

20001714287572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140524698 (or 140524696 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 46.

Adding to 20001714287572 its reverse (27578241710002), we get a palindrome (47579955997574).

The spelling of 20001714287572 in words is "twenty trillion, one billion, seven hundred fourteen million, two hundred eighty-seven thousand, five hundred seventy-two".