20484526 has 4 divisors (see below), whose sum is σ = 30726792. Its totient is φ = 10242262.

The previous prime is 20484523. The next prime is 20484533. The reversal of 20484526 is 62548402.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5121130 + ... + 5121133.

It is an arithmetic number, because the mean of its divisors is an integer number (7681698).

Almost surely, 2^20484526 is an apocalyptic number.

20484526 is a deficient number, since it is larger than the sum of its proper divisors (10242266).

20484526 is a wasteful number, since it uses less digits than its factorization.

20484526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242265.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 20484526 is about 4525.9834290461. The cubic root of 20484526 is about 273.6163045440.

The spelling of 20484526 in words is "twenty million, four hundred eighty-four thousand, five hundred twenty-six".