20703612 has 12 divisors (see below), whose sum is σ = 48308456. Its totient is φ = 6901200.

The previous prime is 20703601. The next prime is 20703619. The reversal of 20703612 is 21630702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20703619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862639 + ... + 862662.

Almost surely, 2^20703612 is an apocalyptic number.

It is an amenable number.

20703612 is an abundant number, since it is smaller than the sum of its proper divisors (27604844).

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

20703612 is a wasteful number, since it uses less digits than its factorization.

20703612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725308 (or 1725306 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20703612 is about 4550.1221961613. The cubic root of 20703612 is about 274.5883073933.

The spelling of 20703612 in words is "twenty million, seven hundred three thousand, six hundred twelve".