20240200312465 has 32 divisors (see below), whose sum is σ = 27789640268544. Its totient is φ = 13863171379200.

The previous prime is 20240200312391. The next prime is 20240200312489. The reversal of 20240200312465 is 56421300204202.

It is not a de Polignac number, because 20240200312465 - 2¹¹ = 20240200310417 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, 617044065 + ... + 617076865.

It is an arithmetic number, because the mean of its divisors is an integer number (868426258392).

Almost surely, 2^{20240200312465} is an apocalyptic number.

It is an amenable number.

20240200312465 is a deficient number, since it is larger than the sum of its proper divisors (7549439956079).

20240200312465 is a wasteful number, since it uses less digits than its factorization.

20240200312465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52377.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20240200312465 its reverse (56421300204202), we get a palindrome (76661500516667).

The spelling of 20240200312465 in words is "twenty trillion, two hundred forty billion, two hundred million, three hundred twelve thousand, four hundred sixty-five".