220414505831 has 4 divisors (see below), whose sum is σ = 237369467832. Its totient is φ = 203459543832.

The previous prime is 220414505803. The next prime is 220414505849. The reversal of 220414505831 is 138505414022.

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 220414505831 - 2⁶ = 220414505767 is a prime.

It is a super-2 number, since 2×220414505831² (a number of 23 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 = 220414505791 and 220414505800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220414565831) 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, 8477480981 + ... + 8477481006.

It is an arithmetic number, because the mean of its divisors is an integer number (59342366958).

Almost surely, 2^220414505831 is an apocalyptic number.

220414505831 is a deficient number, since it is larger than the sum of its proper divisors (16954962001).

220414505831 is a wasteful number, since it uses less digits than its factorization.

220414505831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16954962000.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 220414505831 its reverse (138505414022), we get a palindrome (358919919853).

The spelling of 220414505831 in words is "two hundred twenty billion, four hundred fourteen million, five hundred five thousand, eight hundred thirty-one".