202001010003 has 32 divisors (see below), whose sum is σ = 332676986880. Its totient is φ = 120298361760.

The previous prime is 202001009989. The next prime is 202001010031. The reversal of 202001010003 is 300010100202.

It is a happy number.

It is not a de Polignac number, because 202001010003 - 2⁵ = 202001009971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (202001080003) 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, 9271401 + ... + 9293162.

It is an arithmetic number, because the mean of its divisors is an integer number (10396155840).

Almost surely, 2^202001010003 is an apocalyptic number.

202001010003 is a deficient number, since it is larger than the sum of its proper divisors (130675976877).

202001010003 is a wasteful number, since it uses less digits than its factorization.

202001010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18564616 (or 18564610 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 202001010003 its reverse (300010100202), we get a palindrome (502011110205).

The spelling of 202001010003 in words is "two hundred two billion, one million, ten thousand, three".