220326143721540 has 96 divisors (see below), whose sum is σ = 623044715529600. Its totient is φ = 58169728512000.

The previous prime is 220326143721539. The next prime is 220326143721557. The reversal of 220326143721540 is 45127341623022.

It is a super-2 number, since 2×220326143721540² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220326143721492 and 220326143721501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163500436 + ... + 164842484.

It is an arithmetic number, because the mean of its divisors is an integer number (6490049120100).

Almost surely, 2^{220326143721540} is an apocalyptic number.

220326143721540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220326143721540 is an abundant number, since it is smaller than the sum of its proper divisors (402718571808060).

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

220326143721540 is a wasteful number, since it uses less digits than its factorization.

220326143721540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369253 (or 1369251 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 220326143721540 in words is "two hundred twenty trillion, three hundred twenty-six billion, one hundred forty-three million, seven hundred twenty-one thousand, five hundred forty".