20021322023330 has 32 divisors (see below), whose sum is σ = 36242129516400. Its totient is φ = 7963290058752.

The previous prime is 20021322023321. The next prime is 20021322023341. The reversal of 20021322023330 is 3332022312002.

It can be written as a sum of positive squares in 8 ways, for example, as 3616869865249 + 16404452158081 = 1901807^2 + 4050241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20021322023296 and 20021322023305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672676 + ... + 6545264.

Almost surely, 2^{20021322023330} is an apocalyptic number.

20021322023330 is a deficient number, since it is larger than the sum of its proper divisors (16220807493070).

20021322023330 is a wasteful number, since it uses less digits than its factorization.

20021322023330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874918.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20021322023330 its reverse (3332022312002), we get a palindrome (23353344335332).

The spelling of 20021322023330 in words is "twenty trillion, twenty-one billion, three hundred twenty-two million, twenty-three thousand, three hundred thirty".