202103000040 has 128 divisors (see below), whose sum is σ = 610185461760. Its totient is φ = 53550491904.

The previous prime is 202103000023. The next prime is 202103000041. The reversal of 202103000040 is 40000301202.

202103000040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (202103000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14630817 + ... + 14644623.

It is an arithmetic number, because the mean of its divisors is an integer number (4767073920).

Almost surely, 2^202103000040 is an apocalyptic number.

202103000040 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 202103000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305092730880).

202103000040 is an abundant number, since it is smaller than the sum of its proper divisors (408082461720).

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

202103000040 is a wasteful number, since it uses less digits than its factorization.

202103000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14591 (or 14587 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 202103000040 its reverse (40000301202), we get a palindrome (242103301242).

The spelling of 202103000040 in words is "two hundred two billion, one hundred three million, forty", and thus it is an aban number.