202120042413 has 64 divisors (see below), whose sum is σ = 292745871360. Its totient is φ = 123706294272.

The previous prime is 202120042393. The next prime is 202120042433. The reversal of 202120042413 is 314240021202.

It is an interprime number because it is at equal distance from previous prime (202120042393) and next prime (202120042433).

It is not a de Polignac number, because 202120042413 - 2⁵ = 202120042381 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202120042413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120042433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70203508 + ... + 70206386.

It is an arithmetic number, because the mean of its divisors is an integer number (4574154240).

Almost surely, 2^202120042413 is an apocalyptic number.

202120042413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202120042413 is a deficient number, since it is larger than the sum of its proper divisors (90625828947).

202120042413 is a wasteful number, since it uses less digits than its factorization.

202120042413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306.

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

Adding to 202120042413 its reverse (314240021202), we get a palindrome (516360063615).

The spelling of 202120042413 in words is "two hundred two billion, one hundred twenty million, forty-two thousand, four hundred thirteen".