20010033321380 has 24 divisors (see below), whose sum is σ = 42023458681848. Its totient is φ = 8003558336768.

The previous prime is 20010033321379. The next prime is 20010033321389. The reversal of 20010033321380 is 8312333001002.

It can be written as a sum of positive squares in 4 ways, for example, as 60107348224 + 19949925973156 = 245168^2 + 4466534^2 .

It is a super-3 number, since 3×20010033321380³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20010033321389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28076249 + ... + 28780128.

It is an arithmetic number, because the mean of its divisors is an integer number (1750977445077).

Almost surely, 2^{20010033321380} is an apocalyptic number.

20010033321380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010033321380 is an abundant number, since it is smaller than the sum of its proper divisors (22013425360468).

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

20010033321380 is a wasteful number, since it uses less digits than its factorization.

20010033321380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56873983 (or 56873981 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20010033321380 its reverse (8312333001002), we get a palindrome (28322366322382).

The spelling of 20010033321380 in words is "twenty trillion, ten billion, thirty-three million, three hundred twenty-one thousand, three hundred eighty".