2140004221220 has 24 divisors (see below), whose sum is σ = 4494076012608. Its totient is φ = 855988898400.

The previous prime is 2140004221211. The next prime is 2140004221231. The reversal of 2140004221220 is 221224000412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2140004221192 and 2140004221201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635435 + ... + 2164205.

It is an arithmetic number, because the mean of its divisors is an integer number (187253167192).

Almost surely, 2^{2140004221220} is an apocalyptic number.

2140004221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140004221220 is an abundant number, since it is smaller than the sum of its proper divisors (2354071791388).

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

2140004221220 is a wasteful number, since it uses less digits than its factorization.

2140004221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598771 (or 1598769 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2140004221220 its reverse (221224000412), we get a palindrome (2361228221632).

The spelling of 2140004221220 in words is "two trillion, one hundred forty billion, four million, two hundred twenty-one thousand, two hundred twenty".