203002230020 has 48 divisors (see below), whose sum is σ = 430718238720. Its totient is φ = 80361956736.

The previous prime is 203002230019. The next prime is 203002230029. The reversal of 203002230020 is 20032200302.

It is a super-3 number, since 3×203002230020³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203002229977 and 203002230004.

It is not an unprimeable number, because it can be changed into a prime (203002230029) 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, 1827389 + ... + 1935291.

It is an arithmetic number, because the mean of its divisors is an integer number (8973296640).

Almost surely, 2^203002230020 is an apocalyptic number.

203002230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203002230020 is an abundant number, since it is smaller than the sum of its proper divisors (227716008700).

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

203002230020 is a wasteful number, since it uses less digits than its factorization.

203002230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108884 (or 108882 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 203002230020 its reverse (20032200302), we get a palindrome (223034430322).

The spelling of 203002230020 in words is "two hundred three billion, two million, two hundred thirty thousand, twenty".