20148122 has 4 divisors (see below), whose sum is σ = 30222186. Its totient is φ = 10074060.

The previous prime is 20148067. The next prime is 20148131. The reversal of 20148122 is 22184102.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 18913801 + 1234321 = 4349^2 + 1111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20148094 and 20148103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5037029 + ... + 5037032.

Almost surely, 2^20148122 is an apocalyptic number.

20148122 is a deficient number, since it is larger than the sum of its proper divisors (10074064).

20148122 is a wasteful number, since it uses less digits than its factorization.

20148122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074063.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 20148122 is about 4488.6659488093. The cubic root of 20148122 is about 272.1102224134.

The spelling of 20148122 in words is "twenty million, one hundred forty-eight thousand, one hundred twenty-two".