203020112 has 10 divisors (see below), whose sum is σ = 393351498. Its totient is φ = 101510048.

The previous prime is 203020091. The next prime is 203020133. The reversal of 203020112 is 211020302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (203020091) and next prime (203020133).

It can be written as a sum of positive squares in only one way, i.e., 190881856 + 12138256 = 13816^2 + 3484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203020093 and 203020102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6344363 + ... + 6344394.

Almost surely, 2^203020112 is an apocalyptic number.

It is an amenable number.

203020112 is a deficient number, since it is larger than the sum of its proper divisors (190331386).

203020112 is a wasteful number, since it uses less digits than its factorization.

203020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12688765 (or 12688759 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 203020112 is about 14248.5126241303. The cubic root of 203020112 is about 587.7324742870.

Adding to 203020112 its reverse (211020302), we get a palindrome (414040414).

The spelling of 203020112 in words is "two hundred three million, twenty thousand, one hundred twelve".