203022130 has 16 divisors (see below), whose sum is σ = 366016320. Its totient is φ = 81080752.

The previous prime is 203022107. The next prime is 203022133. The reversal of 203022130 is 31220302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203022130.

It is not an unprimeable number, because it can be changed into a prime (203022133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9220 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (22876020).

Almost surely, 2^203022130 is an apocalyptic number.

203022130 is a deficient number, since it is larger than the sum of its proper divisors (162994190).

203022130 is a wasteful number, since it uses less digits than its factorization.

203022130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32033.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 203022130 is about 14248.5834383633. The cubic root of 203022130 is about 587.7344216149.

Adding to 203022130 its reverse (31220302), we get a palindrome (234242432).

The spelling of 203022130 in words is "two hundred three million, twenty-two thousand, one hundred thirty".