20714430 has 64 divisors (see below), whose sum is σ = 55593216. Its totient is φ = 4896000.

The previous prime is 20714429. The next prime is 20714437. The reversal of 20714430 is 3441702.

It is a super-2 number, since 2×20714430² = 858175220449800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20714397 and 20714406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714437) 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, 12765 + ... + 14295.

It is an arithmetic number, because the mean of its divisors is an integer number (868644).

Almost surely, 2^20714430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20714430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27796608).

20714430 is an abundant number, since it is smaller than the sum of its proper divisors (34878786).

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

20714430 is a wasteful number, since it uses less digits than its factorization.

20714430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20714430 is about 4551.3108001981. The cubic root of 20714430 is about 274.6361247997.

The spelling of 20714430 in words is "twenty million, seven hundred fourteen thousand, four hundred thirty".