220401405131 has 8 divisors (see below), whose sum is σ = 221757994080. Its totient is φ = 219045254848.

The previous prime is 220401405073. The next prime is 220401405143. The reversal of 220401405131 is 131504104022.

220401405131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220401405131 - 2⁶ = 220401405067 is a prime.

It is a super-2 number, since 2×220401405131² (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 = 220401405097 and 220401405106.

It is not an unprimeable number, because it can be changed into a prime (220401405151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928415 + ... + 1141383.

It is an arithmetic number, because the mean of its divisors is an integer number (27719749260).

Almost surely, 2^220401405131 is an apocalyptic number.

220401405131 is a deficient number, since it is larger than the sum of its proper divisors (1356588949).

220401405131 is a wasteful number, since it uses less digits than its factorization.

220401405131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219333.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 220401405131 its reverse (131504104022), we get a palindrome (351905509153).

The spelling of 220401405131 in words is "two hundred twenty billion, four hundred one million, four hundred five thousand, one hundred thirty-one".