20445024660525 has 96 divisors (see below), whose sum is σ = 39194348544000. Its totient is φ = 10429097215680.

The previous prime is 20445024660503. The next prime is 20445024660539. The reversal of 20445024660525 is 52506642054402.

20445024660525 is a `hidden beast` number, since 2 + 0 + 4 + 45 + 0 + 24 + 6 + 60 + 525 = 666.

It is not a de Polignac number, because 20445024660525 - 2⁵ = 20445024660493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 227225496 + ... + 227315454.

It is an arithmetic number, because the mean of its divisors is an integer number (408274464000).

Almost surely, 2^{20445024660525} is an apocalyptic number.

20445024660525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20445024660525 is a deficient number, since it is larger than the sum of its proper divisors (18749323883475).

20445024660525 is a wasteful number, since it uses less digits than its factorization.

20445024660525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104640 (or 104629 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 20445024660525 in words is "twenty trillion, four hundred forty-five billion, twenty-four million, six hundred sixty thousand, five hundred twenty-five".