202420511141231 has 4 divisors (see below), whose sum is σ = 207357596778864. Its totient is φ = 197483425503600.

The previous prime is 202420511141143. The next prime is 202420511141267. The reversal of 202420511141231 is 132141115024202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202420511141231 - 2³⁸ = 202145633234287 is a prime.

It is a super-2 number, since 2×202420511141231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202420511141194 and 202420511141203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202420511141291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468542818755 + ... + 2468542818836.

It is an arithmetic number, because the mean of its divisors is an integer number (51839399194716).

Almost surely, 2^{202420511141231} is an apocalyptic number.

202420511141231 is a deficient number, since it is larger than the sum of its proper divisors (4937085637633).

202420511141231 is an equidigital number, since it uses as much as digits as its factorization.

202420511141231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937085637632.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 202420511141231 its reverse (132141115024202), we get a palindrome (334561626165433).

The spelling of 202420511141231 in words is "two hundred two trillion, four hundred twenty billion, five hundred eleven million, one hundred forty-one thousand, two hundred thirty-one".