21232222023020 has 24 divisors (see below), whose sum is σ = 45792738310704. Its totient is φ = 8263351273536.

The previous prime is 21232222023017. The next prime is 21232222023043. The reversal of 21232222023020 is 2032022223212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14346095222 + ... + 14346096701.

It is an arithmetic number, because the mean of its divisors is an integer number (1908030762946).

Almost surely, 2^{21232222023020} is an apocalyptic number.

21232222023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21232222023020 is an abundant number, since it is smaller than the sum of its proper divisors (24560516287684).

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

21232222023020 is a wasteful number, since it uses less digits than its factorization.

21232222023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28692191969 (or 28692191967 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 21232222023020 its reverse (2032022223212), we get a palindrome (23264244246232).

The spelling of 21232222023020 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred twenty-two million, twenty-three thousand, twenty".