32720229690000 has 100 divisors (see below), whose sum is σ = 105625264233456. Its totient is φ = 8725394576000.

The previous prime is 32720229689971. The next prime is 32720229690017. The reversal of 32720229690000 is 9692202723.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×32720229690000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 545307162 + ... + 545367161.

Almost surely, 2^{32720229690000} is an apocalyptic number.

32720229690000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32720229690000 is an abundant number, since it is smaller than the sum of its proper divisors (72905034543456).

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

32720229690000 is a wasteful number, since it uses less digits than its factorization.

32720229690000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090674354 (or 1090674333 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 32720229690000 in words is "thirty-two trillion, seven hundred twenty billion, two hundred twenty-nine million, six hundred ninety thousand".