20021223301120 has 56 divisors (see below), whose sum is σ = 48048003224604. Its totient is φ = 8008489304064.

The previous prime is 20021223301103. The next prime is 20021223301127. The reversal of 20021223301120 is 2110332212002.

It can be written as a sum of positive squares in 2 ways, for example, as 19414668939264 + 606554361856 = 4406208^2 + 778816^2 .

It is not an unprimeable number, because it can be changed into a prime (20021223301127) 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 3 ways as a sum of consecutive naturals, for example, 244358739 + ... + 244440658.

Almost surely, 2^{20021223301120} is an apocalyptic number.

20021223301120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021223301120 is an abundant number, since it is smaller than the sum of its proper divisors (28026779923484).

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

20021223301120 is an frugal number, since it uses more digits than its factorization.

20021223301120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488799428 (or 488799404 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20021223301120 its reverse (2110332212002), we get a palindrome (22131555513122).

The spelling of 20021223301120 in words is "twenty trillion, twenty-one billion, two hundred twenty-three million, three hundred one thousand, one hundred twenty".