1033423220 has 24 divisors (see below), whose sum is σ = 2172520224. Its totient is φ = 412925216.

The previous prime is 1033423219. The next prime is 1033423229. The reversal of 1033423220 is 223243301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1033423192 and 1033423201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033423229) 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, 8342 + ... + 46221.

It is an arithmetic number, because the mean of its divisors is an integer number (90521676).

Almost surely, 2^1033423220 is an apocalyptic number.

1033423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033423220 is an abundant number, since it is smaller than the sum of its proper divisors (1139097004).

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

1033423220 is a wasteful number, since it uses less digits than its factorization.

1033423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55519 (or 55517 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1033423220 is about 32146.9006282099. The cubic root of 1033423220 is about 1011.0192044717.

Adding to 1033423220 its reverse (223243301), we get a palindrome (1256666521).

The spelling of 1033423220 in words is "one billion, thirty-three million, four hundred twenty-three thousand, two hundred twenty".