20051708 has 6 divisors (see below), whose sum is σ = 35090496. Its totient is φ = 10025852.

The previous prime is 20051683. The next prime is 20051711. The reversal of 20051708 is 80715002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506460 + ... + 2506467.

It is an arithmetic number, because the mean of its divisors is an integer number (5848416).

Almost surely, 2^20051708 is an apocalyptic number.

It is an amenable number.

20051708 is a deficient number, since it is larger than the sum of its proper divisors (15038788).

20051708 is a wasteful number, since it uses less digits than its factorization.

20051708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012931 (or 5012929 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 20051708 is about 4477.9133533377. The cubic root of 20051708 is about 271.6754888592.

The spelling of 20051708 in words is "twenty million, fifty-one thousand, seven hundred eight".