20148662 has 4 divisors (see below), whose sum is σ = 30222996. Its totient is φ = 10074330.

The previous prime is 20148647. The next prime is 20148679. The reversal of 20148662 is 26684102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5037164 + ... + 5037167.

It is an arithmetic number, because the mean of its divisors is an integer number (7555749).

Almost surely, 2^20148662 is an apocalyptic number.

20148662 is a deficient number, since it is larger than the sum of its proper divisors (10074334).

20148662 is a wasteful number, since it uses less digits than its factorization.

20148662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074333.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20148662 is about 4488.7260999085. The cubic root of 20148662 is about 272.1126533795.

The spelling of 20148662 in words is "twenty million, one hundred forty-eight thousand, six hundred sixty-two".