20124202 has 48 divisors (see below), whose sum is σ = 37202760. Its totient is φ = 8128512.

The previous prime is 20124197. The next prime is 20124217. The reversal of 20124202 is 20242102.

It can be written as a sum of positive squares in 4 ways, for example, as 17464041 + 2660161 = 4179^2 + 1631^2 .

It is a super-2 number, since 2×20124202² = 809967012273608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207418 + ... + 207514.

Almost surely, 2^20124202 is an apocalyptic number.

20124202 is a deficient number, since it is larger than the sum of its proper divisors (17078558).

20124202 is a wasteful number, since it uses less digits than its factorization.

20124202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20124202 is about 4486.0006687472. Note that the first 3 decimals coincide. The cubic root of 20124202 is about 272.0024960123.

Adding to 20124202 its reverse (20242102), we get a palindrome (40366304).

The spelling of 20124202 in words is "twenty million, one hundred twenty-four thousand, two hundred two".