20032001132220 has 192 divisors, whose sum is σ = 77699883340800. Its totient is φ = 4162493733120.

The previous prime is 20032001132191. The next prime is 20032001132249. The reversal of 20032001132220 is 2223110023002.

20032001132220 is a `hidden beast` number, since 2 + 0 + 0 + 320 + 0 + 1 + 1 + 322 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (20032001132191) and next prime (20032001132249).

It is a super-2 number, since 2×20032001132220² (a number of 27 digits) contains 22 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 = 20032001132193 and 20032001132202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240843475 + ... + 240926634.

It is an arithmetic number, because the mean of its divisors is an integer number (404686892400).

Almost surely, 2^{20032001132220} is an apocalyptic number.

20032001132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20032001132220 is an abundant number, since it is smaller than the sum of its proper divisors (57667882208580).

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

20032001132220 is a wasteful number, since it uses less digits than its factorization.

20032001132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481770145 (or 481770137 counting only the distinct ones).

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

Adding to 20032001132220 its reverse (2223110023002), we get a palindrome (22255111155222).

The spelling of 20032001132220 in words is "twenty trillion, thirty-two billion, one million, one hundred thirty-two thousand, two hundred twenty".