201043402000 has 160 divisors (see below), whose sum is σ = 555911276544. Its totient is φ = 68886720000.

The previous prime is 201043401989. The next prime is 201043402009. The reversal of 201043402000 is 204340102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (201043402009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29998650 + ... + 30005350.

Almost surely, 2^201043402000 is an apocalyptic number.

201043402000 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 201043402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277955638272).

201043402000 is an abundant number, since it is smaller than the sum of its proper divisors (354867874544).

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

201043402000 is a wasteful number, since it uses less digits than its factorization.

201043402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8874 (or 8858 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 201043402000 its reverse (204340102), we get a palindrome (201247742102).

The spelling of 201043402000 in words is "two hundred one billion, forty-three million, four hundred two thousand".