1022204300420 has 24 divisors (see below), whose sum is σ = 2155536215448. Its totient is φ = 407185113600.

The previous prime is 1022204300387. The next prime is 1022204300431. The reversal of 1022204300420 is 240034022201.

It can be written as a sum of positive squares in 4 ways, for example, as 282249937984 + 739954362436 = 531272^2 + 860206^2 .

It is a super-2 number, since 2×1022204300420² (a number of 25 digits) contains 22 as substring.

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 = 1022204300392 and 1022204300401.

It is an unprimeable number.

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, 106032971 + ... + 106042610.

It is an arithmetic number, because the mean of its divisors is an integer number (89814008977).

Almost surely, 2^{1022204300420} is an apocalyptic number.

1022204300420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022204300420 is an abundant number, since it is smaller than the sum of its proper divisors (1133331915028).

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

1022204300420 is a wasteful number, since it uses less digits than its factorization.

1022204300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212075831 (or 212075829 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1022204300420 its reverse (240034022201), we get a palindrome (1262238322621).

The spelling of 1022204300420 in words is "one trillion, twenty-two billion, two hundred four million, three hundred thousand, four hundred twenty".