201020020003 has 16 divisors (see below), whose sum is σ = 234324493920. Its totient is φ = 170417779200.

The previous prime is 201020019979. The next prime is 201020020027. The reversal of 201020020003 is 300020020102.

It is an interprime number because it is at equal distance from previous prime (201020019979) and next prime (201020020027).

It is a cyclic number.

It is not a de Polignac number, because 201020020003 - 2²⁵ = 200986465571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201020020043) 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, 4910688 + ... + 4951453.

It is an arithmetic number, because the mean of its divisors is an integer number (14645280870).

Almost surely, 2^201020020003 is an apocalyptic number.

201020020003 is a deficient number, since it is larger than the sum of its proper divisors (33304473917).

201020020003 is a wasteful number, since it uses less digits than its factorization.

201020020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862278.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 201020020003 its reverse (300020020102), we get a palindrome (501040040105).

Subtracting 201020020003 from its reverse (300020020102), we obtain a palindrome (99000000099).

The spelling of 201020020003 in words is "two hundred one billion, twenty million, twenty thousand, three".