32312226420 has 72 divisors (see below), whose sum is σ = 98671645800. Its totient is φ = 8558757120.

The previous prime is 32312226377. The next prime is 32312226437. The reversal of 32312226420 is 2462221323.

It is a happy number.

32312226420 is a `hidden beast` number, since 3 + 2 + 3 + 12 + 2 + 2 + 642 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3687647076 + 28624579344 = 60726^2 + 169188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575571 + ... + 629210.

It is an arithmetic number, because the mean of its divisors is an integer number (1370439525).

Almost surely, 2^32312226420 is an apocalyptic number.

32312226420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32312226420 is an abundant number, since it is smaller than the sum of its proper divisors (66359419380).

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

32312226420 is a wasteful number, since it uses less digits than its factorization.

32312226420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204945 (or 1204940 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 32312226420 its reverse (2462221323), we get a palindrome (34774447743).

The spelling of 32312226420 in words is "thirty-two billion, three hundred twelve million, two hundred twenty-six thousand, four hundred twenty".