2205400442020 has 48 divisors (see below), whose sum is σ = 4935527106048. Its totient is φ = 825852072320.

The previous prime is 2205400441963. The next prime is 2205400442059. The reversal of 2205400442020 is 202440045022.

It is a super-2 number, since 2×2205400442020² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50982091 + ... + 51025330.

It is an arithmetic number, because the mean of its divisors is an integer number (102823481376).

Almost surely, 2^{2205400442020} is an apocalyptic number.

2205400442020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205400442020 is an abundant number, since it is smaller than the sum of its proper divisors (2730126664028).

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

2205400442020 is a wasteful number, since it uses less digits than its factorization.

2205400442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102007500 (or 102007498 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 2205400442020 its reverse (202440045022), we get a palindrome (2407840487042).

The spelling of 2205400442020 in words is "two trillion, two hundred five billion, four hundred million, four hundred forty-two thousand, twenty".