20235580488 has 128 divisors (see below), whose sum is σ = 62649072000. Its totient is φ = 6014269440.

The previous prime is 20235580457. The next prime is 20235580489. The reversal of 20235580488 is 88408553202.

20235580488 is a `hidden beast` number, since 2 + 0 + 23 + 5 + 580 + 48 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (20235580489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75253 + ... + 214788.

It is an arithmetic number, because the mean of its divisors is an integer number (489445875).

Almost surely, 2^20235580488 is an apocalyptic number.

It is an amenable number.

20235580488 is an abundant number, since it is smaller than the sum of its proper divisors (42413491512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20235580488 is a wasteful number, since it uses less digits than its factorization.

20235580488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290092 (or 290082 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 20235580488 in words is "twenty billion, two hundred thirty-five million, five hundred eighty thousand, four hundred eighty-eight".