203010000000 has 512 divisors, whose sum is σ = 690888856320. Its totient is φ = 52800000000.

The previous prime is 203009999977. The next prime is 203010000023. The reversal of 203010000000 is 10302.

It is an interprime number because it is at equal distance from previous prime (203009999977) and next prime (203010000023).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2009999950 + ... + 2010000050.

Almost surely, 2^203010000000 is an apocalyptic number.

203010000000 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 203010000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345444428160).

203010000000 is an abundant number, since it is smaller than the sum of its proper divisors (487878856320).

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

203010000000 is an frugal number, since it uses more digits than its factorization.

203010000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

Adding to 203010000000 its reverse (10302), we get a palindrome (203010010302).

The spelling of 203010000000 in words is "two hundred three billion, ten million", and thus it is an aban number.