20262732260617 has 8 divisors (see below), whose sum is σ = 25262627234112. Its totient is φ = 15789142021200.

The previous prime is 20262732260609. The next prime is 20262732260629. The reversal of 20262732260617 is 71606223726202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20262732260617 - 2³ = 20262732260609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20262732260117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131576183434 + ... + 131576183587.

It is an arithmetic number, because the mean of its divisors is an integer number (3157828404264).

Almost surely, 2^{20262732260617} is an apocalyptic number.

It is an amenable number.

20262732260617 is a deficient number, since it is larger than the sum of its proper divisors (4999894973495).

20262732260617 is a wasteful number, since it uses less digits than its factorization.

20262732260617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263152367039.

The product of its (nonzero) digits is 1016064, while the sum is 46.

Adding to 20262732260617 its reverse (71606223726202), we get a palindrome (91868955986819).

The spelling of 20262732260617 in words is "twenty trillion, two hundred sixty-two billion, seven hundred thirty-two million, two hundred sixty thousand, six hundred seventeen".