220552523451 has 96 divisors (see below), whose sum is σ = 355422779712. Its totient is φ = 130947148800.

The previous prime is 220552523377. The next prime is 220552523483. The reversal of 220552523451 is 154325255022.

220552523451 is a `hidden beast` number, since 2 + 2 + 0 + 552 + 52 + 3 + 4 + 51 = 666.

It is not a de Polignac number, because 220552523451 - 2²⁵ = 220518969019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220552523491) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 98328136 + ... + 98330378.

It is an arithmetic number, because the mean of its divisors is an integer number (3702320622).

Almost surely, 2^220552523451 is an apocalyptic number.

220552523451 is a deficient number, since it is larger than the sum of its proper divisors (134870256261).

220552523451 is a wasteful number, since it uses less digits than its factorization.

220552523451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 220552523451 its reverse (154325255022), we get a palindrome (374877778473).

The spelling of 220552523451 in words is "two hundred twenty billion, five hundred fifty-two million, five hundred twenty-three thousand, four hundred fifty-one".