32720880153 has 32 divisors (see below), whose sum is σ = 51052072960. Its totient is φ = 18460768320.

The previous prime is 32720880139. The next prime is 32720880163. The reversal of 32720880153 is 35108802723.

It is not a de Polignac number, because 32720880153 - 2⁵ = 32720880121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32720880113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 689251 + ... + 735192.

It is an arithmetic number, because the mean of its divisors is an integer number (1595377280).

Almost surely, 2^32720880153 is an apocalyptic number.

It is an amenable number.

32720880153 is a deficient number, since it is larger than the sum of its proper divisors (18331192807).

32720880153 is a wasteful number, since it uses less digits than its factorization.

32720880153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424509.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 32720880153 in words is "thirty-two billion, seven hundred twenty million, eight hundred eighty thousand, one hundred fifty-three".