20325470 has 16 divisors (see below), whose sum is σ = 39912048. Its totient is φ = 7391040.

The previous prime is 20325451. The next prime is 20325493. The reversal of 20325470 is 7452302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92279 + ... + 92498.

It is an arithmetic number, because the mean of its divisors is an integer number (2494503).

Almost surely, 2^20325470 is an apocalyptic number.

20325470 is a deficient number, since it is larger than the sum of its proper divisors (19586578).

20325470 is a wasteful number, since it uses less digits than its factorization.

20325470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184795.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20325470 is about 4508.3777570208. The cubic root of 20325470 is about 272.9062817044.

Adding to 20325470 its reverse (7452302), we get a palindrome (27777772).

The spelling of 20325470 in words is "twenty million, three hundred twenty-five thousand, four hundred seventy".