20713914 has 64 divisors (see below), whose sum is σ = 52214400. Its totient is φ = 6034176.

The previous prime is 20713907. The next prime is 20713963. The reversal of 20713914 is 41931702.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12562 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (815850).

Almost surely, 2^20713914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20713914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26107200).

20713914 is an abundant number, since it is smaller than the sum of its proper divisors (31500486).

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

20713914 is a wasteful number, since it uses less digits than its factorization.

20713914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 20713914 is about 4551.2541128792. The cubic root of 20713914 is about 274.6338443697.

The spelling of 20713914 in words is "twenty million, seven hundred thirteen thousand, nine hundred fourteen".