20162668 has 6 divisors (see below), whose sum is σ = 35284676. Its totient is φ = 10081332.

The previous prime is 20162641. The next prime is 20162717. The reversal of 20162668 is 86626102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520330 + ... + 2520337.

Almost surely, 2^20162668 is an apocalyptic number.

It is an amenable number.

20162668 is a deficient number, since it is larger than the sum of its proper divisors (15122008).

20162668 is a wasteful number, since it uses less digits than its factorization.

20162668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040671 (or 5040669 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 20162668 is about 4490.2859597135. The cubic root of 20162668 is about 272.1756902711.

The spelling of 20162668 in words is "twenty million, one hundred sixty-two thousand, six hundred sixty-eight".