20118148 has 6 divisors (see below), whose sum is σ = 35206766. Its totient is φ = 10059072.

The previous prime is 20118107. The next prime is 20118179. The reversal of 20118148 is 84181102.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 7387524 = 3568^2 + 2718^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514765 + ... + 2514772.

Almost surely, 2^20118148 is an apocalyptic number.

It is an amenable number.

20118148 is a deficient number, since it is larger than the sum of its proper divisors (15088618).

20118148 is a wasteful number, since it uses less digits than its factorization.

20118148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029541 (or 5029539 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 20118148 is about 4485.3258521539. The cubic root of 20118148 is about 271.9752176095.

The spelling of 20118148 in words is "twenty million, one hundred eighteen thousand, one hundred forty-eight".