20465562 has 24 divisors (see below), whose sum is σ = 44324064. Its totient is φ = 6296784.

The previous prime is 20465531. The next prime is 20465563. The reversal of 20465562 is 26556402.

It is not an unprimeable number, because it can be changed into a prime (20465563) 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, 9078 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (1846836).

Almost surely, 2^20465562 is an apocalyptic number.

20465562 is an abundant number, since it is smaller than the sum of its proper divisors (23858502).

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

20465562 is a wasteful number, since it uses less digits than its factorization.

20465562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20214 (or 20201 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 20465562 is about 4523.8879296464. The cubic root of 20465562 is about 273.5318430395.

The spelling of 20465562 in words is "twenty million, four hundred sixty-five thousand, five hundred sixty-two".