20020238 has 16 divisors (see below), whose sum is σ = 34504704. Its totient is φ = 8534040.

The previous prime is 20020223. The next prime is 20020267. The reversal of 20020238 is 83202002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 6417.

It is an arithmetic number, because the mean of its divisors is an integer number (2156544).

Almost surely, 2^20020238 is an apocalyptic number.

20020238 is a deficient number, since it is larger than the sum of its proper divisors (14484466).

20020238 is a wasteful number, since it uses less digits than its factorization.

20020238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20020238 is about 4474.3980600747. The cubic root of 20020238 is about 271.5332881008.

The spelling of 20020238 in words is "twenty million, twenty thousand, two hundred thirty-eight".