20625514 has 16 divisors (see below), whose sum is σ = 38078208. Its totient is φ = 8159472.

The previous prime is 20625499. The next prime is 20625529. The reversal of 20625514 is 41552602.

It is an interprime number because it is at equal distance from previous prime (20625499) and next prime (20625529).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56482 + ... + 56845.

It is an arithmetic number, because the mean of its divisors is an integer number (2379888).

Almost surely, 2^20625514 is an apocalyptic number.

20625514 is a deficient number, since it is larger than the sum of its proper divisors (17452694).

20625514 is a wasteful number, since it uses less digits than its factorization.

20625514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113349.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 20625514 is about 4541.5321203312. The cubic root of 20625514 is about 274.2426057365.

The spelling of 20625514 in words is "twenty million, six hundred twenty-five thousand, five hundred fourteen".