20251035273572 has 12 divisors (see below), whose sum is σ = 35449320031356. Its totient is φ = 10122658121760.

The previous prime is 20251035273571. The next prime is 20251035273577. The reversal of 20251035273572 is 27537253015202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12673215522916 + 7577819750656 = 3559946^2 + 2752784^2 .

It is not an unprimeable number, because it can be changed into a prime (20251035273571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714862823 + ... + 714891150.

It is an arithmetic number, because the mean of its divisors is an integer number (2954110002613).

Almost surely, 2^{20251035273572} is an apocalyptic number.

It is an amenable number.

20251035273572 is a deficient number, since it is larger than the sum of its proper divisors (15198284757784).

20251035273572 is a wasteful number, since it uses less digits than its factorization.

20251035273572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429757518 (or 1429757516 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 44.

Adding to 20251035273572 its reverse (27537253015202), we get a palindrome (47788288288774).

The spelling of 20251035273572 in words is "twenty trillion, two hundred fifty-one billion, thirty-five million, two hundred seventy-three thousand, five hundred seventy-two".