20021022002304 has 96 divisors (see below), whose sum is σ = 57613673994240. Its totient is φ = 6673546851840.

The previous prime is 20021022002279. The next prime is 20021022002327. The reversal of 20021022002304 is 40320022012002.

20021022002304 is a `hidden beast` number, since 2 + 0 + 0 + 210 + 220 + 0 + 230 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75216009 + ... + 75481719.

It is an arithmetic number, because the mean of its divisors is an integer number (600142437440).

Almost surely, 2^{20021022002304} is an apocalyptic number.

20021022002304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20021022002304 is an abundant number, since it is smaller than the sum of its proper divisors (37592651991936).

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

20021022002304 is a wasteful number, since it uses less digits than its factorization.

20021022002304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331138 (or 331123 counting only the distinct ones).

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

Adding to 20021022002304 its reverse (40320022012002), we get a palindrome (60341044014306).

The spelling of 20021022002304 in words is "twenty trillion, twenty-one billion, twenty-two million, two thousand, three hundred four".