32120320120220 has 24 divisors (see below), whose sum is σ = 67567583132784. Its totient is φ = 12826240261376.

The previous prime is 32120320120211. The next prime is 32120320120247. The reversal of 32120320120220 is 2202102302123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32120320120192 and 32120320120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367974637 + ... + 1367998116.

It is an arithmetic number, because the mean of its divisors is an integer number (2815315963866).

Almost surely, 2^{32120320120220} is an apocalyptic number.

It is an amenable number.

32120320120220 is an abundant number, since it is smaller than the sum of its proper divisors (35447263012564).

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

32120320120220 is a wasteful number, since it uses less digits than its factorization.

32120320120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735973349 (or 2735973347 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32120320120220 its reverse (2202102302123), we get a palindrome (34322422422343).

The spelling of 32120320120220 in words is "thirty-two trillion, one hundred twenty billion, three hundred twenty million, one hundred twenty thousand, two hundred twenty".