203929020 has 72 divisors (see below), whose sum is σ = 626458560. Its totient is φ = 53688960.

The previous prime is 203929003. The next prime is 203929049. The reversal of 203929020 is 20929302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7050 + ... + 21390.

Almost surely, 2^203929020 is an apocalyptic number.

203929020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203929020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313229280).

203929020 is an abundant number, since it is smaller than the sum of its proper divisors (422529540).

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

203929020 is a wasteful number, since it uses less digits than its factorization.

203929020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435 (or 14430 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 203929020 is about 14280.3718438982. The cubic root of 203929020 is about 588.6082488333.

The spelling of 203929020 in words is "two hundred three million, nine hundred twenty-nine thousand, twenty".