32431412220 has 48 divisors (see below), whose sum is σ = 90871740960. Its totient is φ = 8642301696.

The previous prime is 32431412219. The next prime is 32431412263. The reversal of 32431412220 is 2221413423.

It is a happy number.

It is a super-3 number, since 3×32431412220³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103387 + ... + 274866.

It is an arithmetic number, because the mean of its divisors is an integer number (1893161270).

Almost surely, 2^32431412220 is an apocalyptic number.

32431412220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32431412220 is an abundant number, since it is smaller than the sum of its proper divisors (58440328740).

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

32431412220 is a wasteful number, since it uses less digits than its factorization.

32431412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379694 (or 379692 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 32431412220 its reverse (2221413423), we get a palindrome (34652825643).

The spelling of 32431412220 in words is "thirty-two billion, four hundred thirty-one million, four hundred twelve thousand, two hundred twenty".