201001140402 has 32 divisors (see below), whose sum is σ = 406193400000. Its totient is φ = 66303713280.

The previous prime is 201001140259. The next prime is 201001140409. The reversal of 201001140402 is 204041100102.

It is not an unprimeable number, because it can be changed into a prime (201001140409) 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, 203349 + ... + 665847.

It is an arithmetic number, because the mean of its divisors is an integer number (12693543750).

Almost surely, 2^201001140402 is an apocalyptic number.

201001140402 is an abundant number, since it is smaller than the sum of its proper divisors (205192259598).

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

201001140402 is a wasteful number, since it uses less digits than its factorization.

201001140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463258.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201001140402 its reverse (204041100102), we get a palindrome (405042240504).

The spelling of 201001140402 in words is "two hundred one billion, one million, one hundred forty thousand, four hundred two".