22120230133220 has 24 divisors (see below), whose sum is σ = 47088818670264. Its totient is φ = 8726885312256.

The previous prime is 22120230133171. The next prime is 22120230133223. The reversal of 22120230133220 is 2233103202122.

It can be written as a sum of positive squares in 4 ways, for example, as 6097630158244 + 16022599974976 = 2469338^2 + 4002824^2 .

It is a super-2 number, since 2×22120230133220² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22120230133223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7575419819 + ... + 7575422738.

It is an arithmetic number, because the mean of its divisors is an integer number (1962034111261).

Almost surely, 2^{22120230133220} is an apocalyptic number.

22120230133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120230133220 is an abundant number, since it is smaller than the sum of its proper divisors (24968588537044).

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

22120230133220 is a wasteful number, since it uses less digits than its factorization.

22120230133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15150842639 (or 15150842637 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22120230133220 its reverse (2233103202122), we get a palindrome (24353333335342).

The spelling of 22120230133220 in words is "twenty-two trillion, one hundred twenty billion, two hundred thirty million, one hundred thirty-three thousand, two hundred twenty".