20484525 has 12 divisors (see below), whose sum is σ = 33867872. Its totient is φ = 10925040.

The previous prime is 20484523. The next prime is 20484533. The reversal of 20484525 is 52548402.

It is not a de Polignac number, because 20484525 - 2¹ = 20484523 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20484492 and 20484501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136489 + ... + 136638.

Almost surely, 2^20484525 is an apocalyptic number.

20484525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20484525 is a deficient number, since it is larger than the sum of its proper divisors (13383347).

20484525 is a wasteful number, since it uses less digits than its factorization.

20484525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273140 (or 273135 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 20484525 is about 4525.9833185729. The cubic root of 20484525 is about 273.6163000916.

The spelling of 20484525 in words is "twenty million, four hundred eighty-four thousand, five hundred twenty-five".