1220220000024 has 64 divisors (see below), whose sum is σ = 3055592816640. Its totient is φ = 406067946240.

The previous prime is 1220220000023. The next prime is 1220220000061. The reversal of 1220220000024 is 4200000220221.

It is a junction number, because it is equal to n+sod(n) for n = 1220219999958 and 1220220000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220220000023) 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 15 ways as a sum of consecutive naturals, for example, 83620969 + ... + 83635559.

It is an arithmetic number, because the mean of its divisors is an integer number (47743637760).

Almost surely, 2^{1220220000024} is an apocalyptic number.

It is an amenable number.

1220220000024 is an abundant number, since it is smaller than the sum of its proper divisors (1835372816616).

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

1220220000024 is a wasteful number, since it uses less digits than its factorization.

1220220000024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120 (or 20116 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1220220000024 its reverse (4200000220221), we get a palindrome (5420220220245).

The spelling of 1220220000024 in words is "one trillion, two hundred twenty billion, two hundred twenty million, twenty-four", and thus it is an aban number.