20240253072665 has 32 divisors (see below), whose sum is σ = 24623092271232. Its totient is φ = 15969703360000.

The previous prime is 20240253072653. The next prime is 20240253072679. The reversal of 20240253072665 is 56627035204202.

It is not a de Polignac number, because 20240253072665 - 2¹² = 20240253068569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589030085 + ... + 589064445.

It is an arithmetic number, because the mean of its divisors is an integer number (769471633476).

Almost surely, 2^{20240253072665} is an apocalyptic number.

It is an amenable number.

20240253072665 is a deficient number, since it is larger than the sum of its proper divisors (4382839198567).

20240253072665 is a wasteful number, since it uses less digits than its factorization.

20240253072665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36841.

The product of its (nonzero) digits is 1209600, while the sum is 44.

Adding to 20240253072665 its reverse (56627035204202), we get a palindrome (76867288276867).

The spelling of 20240253072665 in words is "twenty trillion, two hundred forty billion, two hundred fifty-three million, seventy-two thousand, six hundred sixty-five".