402021120303 has 12 divisors (see below), whose sum is σ = 633487826088. Its totient is φ = 243649163760.

The previous prime is 402021120301. The next prime is 402021120311. The reversal of 402021120303 is 303021120204.

402021120303 is a `hidden beast` number, since 40 + 202 + 1 + 120 + 303 = 666.

It is not a de Polignac number, because 402021120303 - 2¹ = 402021120301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402021120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2030409600 + ... + 2030409797.

It is an arithmetic number, because the mean of its divisors is an integer number (52790652174).

Almost surely, 2^402021120303 is an apocalyptic number.

402021120303 is a deficient number, since it is larger than the sum of its proper divisors (231466705785).

402021120303 is a wasteful number, since it uses less digits than its factorization.

402021120303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060819414 (or 4060819411 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 402021120303 its reverse (303021120204), we get a palindrome (705042240507).

Subtracting from 402021120303 its reverse (303021120204), we obtain a palindrome (99000000099).

The spelling of 402021120303 in words is "four hundred two billion, twenty-one million, one hundred twenty thousand, three hundred three".