20696370 has 16 divisors (see below), whose sum is σ = 49671360. Its totient is φ = 5519024.

The previous prime is 20696363. The next prime is 20696381. The reversal of 20696370 is 7369602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344910 + ... + 344969.

It is an arithmetic number, because the mean of its divisors is an integer number (3104460).

Almost surely, 2^20696370 is an apocalyptic number.

20696370 is an abundant number, since it is smaller than the sum of its proper divisors (28974990).

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

20696370 is a wasteful number, since it uses less digits than its factorization.

20696370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689889.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 20696370 is about 4549.3263237539. The cubic root of 20696370 is about 274.5562872088.

The spelling of 20696370 in words is "twenty million, six hundred ninety-six thousand, three hundred seventy".