22321023010020 has 144 divisors (see below), whose sum is σ = 77390692998528. Its totient is φ = 5101213178880.

The previous prime is 22321023010019. The next prime is 22321023010021. The reversal of 22321023010020 is 2001032012322.

22321023010020 is a `hidden beast` number, since 22 + 321 + 0 + 2 + 301 + 0 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (22321023010019) and next prime (22321023010021).

It is a super-3 number, since 3×22321023010020³ (a number of 41 digits) contains 333 as substring.

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 = 22321023009975 and 22321023010002.

It is not an unprimeable number, because it can be changed into a prime (22321023010021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7498407 + ... + 10043313.

Almost surely, 2^{22321023010020} is an apocalyptic number.

22321023010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22321023010020 is an abundant number, since it is smaller than the sum of its proper divisors (55069669988508).

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

22321023010020 is a wasteful number, since it uses less digits than its factorization.

22321023010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551890 (or 2551885 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22321023010020 its reverse (2001032012322), we get a palindrome (24322055022342).

The spelling of 22321023010020 in words is "twenty-two trillion, three hundred twenty-one billion, twenty-three million, ten thousand, twenty".