20484507 has 16 divisors (see below), whose sum is σ = 29250720. Its totient is φ = 12705792.

The previous prime is 20484481. The next prime is 20484511. The reversal of 20484507 is 70548402.

It is not a de Polignac number, because 20484507 - 2⁸ = 20484251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20484547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2283 + ... + 6795.

It is an arithmetic number, because the mean of its divisors is an integer number (1828170).

Almost surely, 2^20484507 is an apocalyptic number.

20484507 is a deficient number, since it is larger than the sum of its proper divisors (8766213).

20484507 is a wasteful number, since it uses less digits than its factorization.

20484507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 20484507 is about 4525.9813300543. The cubic root of 20484507 is about 273.6162199483.

It can be divided in two parts, 2048 and 4507, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 20484507 in words is "twenty million, four hundred eighty-four thousand, five hundred seven".