20201142003 has 8 divisors (see below), whose sum is σ = 30782692608. Its totient is φ = 11543509704.

The previous prime is 20201142001. The next prime is 20201142037. The reversal of 20201142003 is 30024110202.

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

It is not a de Polignac number, because 20201142003 - 2¹ = 20201142001 is a prime.

It is a super-2 number, since 2×20201142003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201142001) 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 7 ways as a sum of consecutive naturals, for example, 480979551 + ... + 480979592.

It is an arithmetic number, because the mean of its divisors is an integer number (3847836576).

Almost surely, 2^20201142003 is an apocalyptic number.

20201142003 is a deficient number, since it is larger than the sum of its proper divisors (10581550605).

20201142003 is an equidigital number, since it uses as much as digits as its factorization.

20201142003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961959153.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20201142003 its reverse (30024110202), we get a palindrome (50225252205).

The spelling of 20201142003 in words is "twenty billion, two hundred one million, one hundred forty-two thousand, three".