2001142202 has 8 divisors (see below), whose sum is σ = 3001908756. Its totient is φ = 1000505952.

The previous prime is 2001142183. The next prime is 2001142207. The reversal of 2001142202 is 2022411002.

It can be written as a sum of positive squares in 2 ways, for example, as 2000862361 + 279841 = 44731^2 + 529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2001142202² = 8009140225250817608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001142207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29408 + ... + 69764.

Almost surely, 2^2001142202 is an apocalyptic number.

2001142202 is a deficient number, since it is larger than the sum of its proper divisors (1000766554).

2001142202 is a wasteful number, since it uses less digits than its factorization.

2001142202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65152.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2001142202 is about 44734.1279338270. The cubic root of 2001142202 is about 1260.1608516408.

Adding to 2001142202 its reverse (2022411002), we get a palindrome (4023553204).

The spelling of 2001142202 in words is "two billion, one million, one hundred forty-two thousand, two hundred two".