20157662 has 8 divisors (see below), whose sum is σ = 34556016. Its totient is φ = 8638992.

The previous prime is 20157659. The next prime is 20157677. The reversal of 20157662 is 26675102.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 719903 + ... + 719930.

It is an arithmetic number, because the mean of its divisors is an integer number (4319502).

Almost surely, 2^20157662 is an apocalyptic number.

20157662 is a deficient number, since it is larger than the sum of its proper divisors (14398354).

20157662 is a wasteful number, since it uses less digits than its factorization.

20157662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439842.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20157662 is about 4489.7284995866. The cubic root of 20157662 is about 272.1531630889.

The spelling of 20157662 in words is "twenty million, one hundred fifty-seven thousand, six hundred sixty-two".