20021022002322 has 48 divisors (see below), whose sum is σ = 47379499764480. Its totient is φ = 6059657887200.

The previous prime is 20021022002279. The next prime is 20021022002327. The reversal of 20021022002322 is 22320022012002.

20021022002322 is a `hidden beast` number, since 2 + 0 + 0 + 210 + 220 + 0 + 232 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20021022002295 and 20021022002304.

It is not an unprimeable number, because it can be changed into a prime (20021022002327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60822754 + ... + 61151037.

It is an arithmetic number, because the mean of its divisors is an integer number (987072911760).

Almost surely, 2^{20021022002322} is an apocalyptic number.

20021022002322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021022002322 is an abundant number, since it is smaller than the sum of its proper divisors (27358477762158).

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

20021022002322 is a wasteful number, since it uses less digits than its factorization.

20021022002322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121974639 (or 121974636 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20021022002322 its reverse (22320022012002), we get a palindrome (42341044014324).

The spelling of 20021022002322 in words is "twenty trillion, twenty-one billion, twenty-two million, two thousand, three hundred twenty-two".