220140240431 has 2 divisors, whose sum is σ = 220140240432. Its totient is φ = 220140240430.

The previous prime is 220140240407. The next prime is 220140240451. The reversal of 220140240431 is 134042041022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220140240431 - 2⁶ = 220140240367 is a prime.

It is a super-2 number, since 2×220140240431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220140240397 and 220140240406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220140240401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110070120215 + 110070120216.

It is an arithmetic number, because the mean of its divisors is an integer number (110070120216).

Almost surely, 2^220140240431 is an apocalyptic number.

220140240431 is a deficient number, since it is larger than the sum of its proper divisors (1).

220140240431 is an equidigital number, since it uses as much as digits as its factorization.

220140240431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 220140240431 its reverse (134042041022), we get a palindrome (354182281453).

The spelling of 220140240431 in words is "two hundred twenty billion, one hundred forty million, two hundred forty thousand, four hundred thirty-one".