2220145033520 has 40 divisors (see below), whose sum is σ = 5190674315760. Its totient is φ = 883096789760.

The previous prime is 2220145033433. The next prime is 2220145033523. The reversal of 2220145033520 is 253305410222.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2220145033523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77504711 + ... + 77533350.

It is an arithmetic number, because the mean of its divisors is an integer number (129766857894).

Almost surely, 2^{2220145033520} is an apocalyptic number.

2220145033520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220145033520 is an abundant number, since it is smaller than the sum of its proper divisors (2970529282240).

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

2220145033520 is a wasteful number, since it uses less digits than its factorization.

2220145033520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155038253 (or 155038247 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 2220145033520 in words is "two trillion, two hundred twenty billion, one hundred forty-five million, thirty-three thousand, five hundred twenty".