20514670 has 32 divisors (see below), whose sum is σ = 40487040. Its totient is φ = 7422240.

The previous prime is 20514619. The next prime is 20514677. The reversal of 20514670 is 7641502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30801 + ... + 31459.

It is an arithmetic number, because the mean of its divisors is an integer number (1265220).

Almost surely, 2^20514670 is an apocalyptic number.

20514670 is a deficient number, since it is larger than the sum of its proper divisors (19972370).

20514670 is a wasteful number, since it uses less digits than its factorization.

20514670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20514670 is about 4529.3123098325. The cubic root of 20514670 is about 273.7504521027.

The spelling of 20514670 in words is "twenty million, five hundred fourteen thousand, six hundred seventy".