202045420403 has 8 divisors (see below), whose sum is σ = 206979603936. Its totient is φ = 197111534400.

The previous prime is 202045420333. The next prime is 202045420411. The reversal of 202045420403 is 304024540202.

It is a happy number.

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

It is not a de Polignac number, because 202045420403 - 2³⁴ = 184865551219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202045420433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993625 + ... + 2092517.

It is an arithmetic number, because the mean of its divisors is an integer number (25872450492).

Almost surely, 2^202045420403 is an apocalyptic number.

202045420403 is a deficient number, since it is larger than the sum of its proper divisors (4934183533).

202045420403 is an equidigital number, since it uses as much as digits as its factorization.

202045420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148765.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 202045420403 its reverse (304024540202), we get a palindrome (506069960605).

The spelling of 202045420403 in words is "two hundred two billion, forty-five million, four hundred twenty thousand, four hundred three".