20502714 has 16 divisors (see below), whose sum is σ = 43417728. Its totient is φ = 6432192.

The previous prime is 20502673. The next prime is 20502719. The reversal of 20502714 is 41720502.

It is a super-2 number, since 2×20502714² = 840722562731592, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20502719) 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 7 ways as a sum of consecutive naturals, for example, 100402 + ... + 100605.

It is an arithmetic number, because the mean of its divisors is an integer number (2713608).

Almost surely, 2^20502714 is an apocalyptic number.

20502714 is an abundant number, since it is smaller than the sum of its proper divisors (22915014).

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

20502714 is a wasteful number, since it uses less digits than its factorization.

20502714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201029.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 20502714 is about 4527.9922703114. The cubic root of 20502714 is about 273.6972609564.

The spelling of 20502714 in words is "twenty million, five hundred two thousand, seven hundred fourteen".