20700632 has 16 divisors (see below), whose sum is σ = 38930760. Its totient is φ = 10319104.

The previous prime is 20700623. The next prime is 20700643. The reversal of 20700632 is 23600702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953 + ... + 6504.

Almost surely, 2^20700632 is an apocalyptic number.

It is an amenable number.

20700632 is a deficient number, since it is larger than the sum of its proper divisors (18230128).

20700632 is a wasteful number, since it uses less digits than its factorization.

20700632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810 (or 7806 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20700632 is about 4549.7947206440. The cubic root of 20700632 is about 274.5751323587.

The spelling of 20700632 in words is "twenty million, seven hundred thousand, six hundred thirty-two".