32020232220 has 72 divisors (see below), whose sum is σ = 102240050640. Its totient is φ = 8089320960.

The previous prime is 32020232219. The next prime is 32020232221. The reversal of 32020232220 is 2223202023.

32020232220 is a `hidden beast` number, since 320 + 2 + 0 + 2 + 322 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (32020232219) and next prime (32020232221).

It is a super-2 number, since 2×32020232220² (a number of 22 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 = 32020232193 and 32020232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020232221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4677901 + ... + 4684740.

Almost surely, 2^32020232220 is an apocalyptic number.

32020232220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32020232220 is an abundant number, since it is smaller than the sum of its proper divisors (70219818420).

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

32020232220 is a wasteful number, since it uses less digits than its factorization.

32020232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362675 (or 9362670 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 32020232220 its reverse (2223202023), we get a palindrome (34243434243).

The spelling of 32020232220 in words is "thirty-two billion, twenty million, two hundred thirty-two thousand, two hundred twenty".