203869120 has 112 divisors (see below), whose sum is σ = 597578688. Its totient is φ = 64512000.

The previous prime is 203869109. The next prime is 203869129. The reversal of 203869120 is 21968302.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203869129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25620 + ... + 32620.

It is an arithmetic number, because the mean of its divisors is an integer number (5335524).

Almost surely, 2^203869120 is an apocalyptic number.

203869120 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 203869120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298789344).

203869120 is an abundant number, since it is smaller than the sum of its proper divisors (393709568).

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

203869120 is a wasteful number, since it uses less digits than its factorization.

203869120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038 (or 7028 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 203869120 is about 14278.2744055435. The cubic root of 203869120 is about 588.5506126244.

The spelling of 203869120 in words is "two hundred three million, eight hundred sixty-nine thousand, one hundred twenty".