401310000133220 has 48 divisors (see below), whose sum is σ = 887362042929600. Its totient is φ = 152031529584000.

The previous prime is 401310000133109. The next prime is 401310000133223. The reversal of 401310000133220 is 22331000013104.

It is a super-2 number, since 2×401310000133220² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 401310000133192 and 401310000133201.

It is not an unprimeable number, because it can be changed into a prime (401310000133223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150898406 + ... + 153534845.

It is an arithmetic number, because the mean of its divisors is an integer number (18486709227700).

Almost surely, 2^{401310000133220} is an apocalyptic number.

It is an amenable number.

401310000133220 is an abundant number, since it is smaller than the sum of its proper divisors (486052042796380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401310000133220 is a wasteful number, since it uses less digits than its factorization.

401310000133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304436748 (or 304436746 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 401310000133220 its reverse (22331000013104), we get a palindrome (423641000146324).

The spelling of 401310000133220 in words is "four hundred one trillion, three hundred ten billion, one hundred thirty-three thousand, two hundred twenty".