20657062 has 16 divisors (see below), whose sum is σ = 31543200. Its totient is φ = 10144512.

The previous prime is 20657053. The next prime is 20657069. The reversal of 20657062 is 26075602.

It is a self number, because there is not a number n which added to its sum of digits gives 20657062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20657069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30358 + ... + 31030.

It is an arithmetic number, because the mean of its divisors is an integer number (1971450).

Almost surely, 2^20657062 is an apocalyptic number.

20657062 is a deficient number, since it is larger than the sum of its proper divisors (10886138).

20657062 is a wasteful number, since it uses less digits than its factorization.

20657062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20657062 is about 4545.0040704052. The cubic root of 20657062 is about 274.3823581860.

The spelling of 20657062 in words is "twenty million, six hundred fifty-seven thousand, sixty-two".