2220251423340 has 192 divisors, whose sum is σ = 6652049080320. Its totient is φ = 551943997440.

The previous prime is 2220251423339. The next prime is 2220251423347. The reversal of 2220251423340 is 433241520222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2220251423298 and 2220251423307.

It is not an unprimeable number, because it can be changed into a prime (2220251423347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56390581 + ... + 56429939.

It is an arithmetic number, because the mean of its divisors is an integer number (34646088960).

Almost surely, 2^{2220251423340} is an apocalyptic number.

2220251423340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220251423340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3326024540160).

2220251423340 is an abundant number, since it is smaller than the sum of its proper divisors (4431797656980).

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

2220251423340 is a wasteful number, since it uses less digits than its factorization.

2220251423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40432 (or 40430 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 2220251423340 its reverse (433241520222), we get a palindrome (2653492943562).

The spelling of 2220251423340 in words is "two trillion, two hundred twenty billion, two hundred fifty-one million, four hundred twenty-three thousand, three hundred forty".