20714427 has 32 divisors (see below), whose sum is σ = 32640000. Its totient is φ = 12947040.

The previous prime is 20714383. The next prime is 20714429. The reversal of 20714427 is 72441702.

It is a happy number.

It is not a de Polignac number, because 20714427 - 2⁶ = 20714363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20714427.

It is not an unprimeable number, because it can be changed into a prime (20714429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76302 + ... + 76572.

It is an arithmetic number, because the mean of its divisors is an integer number (1020000).

Almost surely, 2^20714427 is an apocalyptic number.

20714427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20714427 is a deficient number, since it is larger than the sum of its proper divisors (11925573).

20714427 is a wasteful number, since it uses less digits than its factorization.

20714427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 20714427 is about 4551.3104706227. The cubic root of 20714427 is about 274.6361115414.

The spelling of 20714427 in words is "twenty million, seven hundred fourteen thousand, four hundred twenty-seven".