202102403142 has 64 divisors (see below), whose sum is σ = 410445149184. Its totient is φ = 66336326400.

The previous prime is 202102403123. The next prime is 202102403171. The reversal of 202102403142 is 241304201202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85963267 + ... + 85965617.

It is an arithmetic number, because the mean of its divisors is an integer number (6413205456).

Almost surely, 2^202102403142 is an apocalyptic number.

202102403142 is an abundant number, since it is smaller than the sum of its proper divisors (208342746042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202102403142 is a wasteful number, since it uses less digits than its factorization.

202102403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202102403142 its reverse (241304201202), we get a palindrome (443406604344).

The spelling of 202102403142 in words is "two hundred two billion, one hundred two million, four hundred three thousand, one hundred forty-two".