203023233020 has 24 divisors (see below), whose sum is σ = 430570068768. Its totient is φ = 80405240000.

The previous prime is 203023232999. The next prime is 203023233053. The reversal of 203023233020 is 20332320302.

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 = 203023232983 and 203023233001.

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, 50251256 + ... + 50255295.

It is an arithmetic number, because the mean of its divisors is an integer number (17940419532).

Almost surely, 2^203023233020 is an apocalyptic number.

203023233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203023233020 is an abundant number, since it is smaller than the sum of its proper divisors (227546835748).

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

203023233020 is a wasteful number, since it uses less digits than its factorization.

203023233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100506661 (or 100506659 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 203023233020 its reverse (20332320302), we get a palindrome (223355553322).

The spelling of 203023233020 in words is "two hundred three billion, twenty-three million, two hundred thirty-three thousand, twenty".