203022030 has 64 divisors (see below), whose sum is σ = 521395200. Its totient is φ = 50440320.

The previous prime is 203022023. The next prime is 203022031. The reversal of 203022030 is 30220302.

It is a junction number, because it is equal to n+sod(n) for n = 203021997 and 203022015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203022031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31851 + ... + 37689.

It is an arithmetic number, because the mean of its divisors is an integer number (8146800).

Almost surely, 2^203022030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203022030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260697600).

203022030 is an abundant number, since it is smaller than the sum of its proper divisors (318373170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203022030 is a wasteful number, since it uses less digits than its factorization.

203022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 203022030 is about 14248.5799292421. The cubic root of 203022030 is about 587.7343251173.

Adding to 203022030 its reverse (30220302), we get a palindrome (233242332).

The spelling of 203022030 in words is "two hundred three million, twenty-two thousand, thirty".