402010203 has 32 divisors (see below), whose sum is σ = 654635520. Its totient is φ = 214202880.

The previous prime is 402010183. The next prime is 402010243. The reversal of 402010203 is 302010204.

It is not a de Polignac number, because 402010203 - 2¹³ = 402002011 is a prime.

It is a super-2 number, since 2×402010203² = 323224406632202418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402010243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33748 + ... + 44078.

It is an arithmetic number, because the mean of its divisors is an integer number (20457360).

Almost surely, 2^402010203 is an apocalyptic number.

402010203 is a deficient number, since it is larger than the sum of its proper divisors (252625317).

402010203 is a wasteful number, since it uses less digits than its factorization.

402010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 402010203 is about 20050.1920938429. The cubic root of 402010203 is about 738.0385130569.

Adding to 402010203 its reverse (302010204), we get a palindrome (704020407).

Subtracting from 402010203 its reverse (302010204), we obtain a palindrome (99999999).

The spelling of 402010203 in words is "four hundred two million, ten thousand, two hundred three".