32920002 has 24 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 10818360.

The previous prime is 32919979. The next prime is 32920021. The reversal of 32920002 is 20002923.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11602 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^32920002 is an apocalyptic number.

32920002 is an abundant number, since it is smaller than the sum of its proper divisors (39414078).

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

32920002 is a wasteful number, since it uses less digits than its factorization.

32920002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25838 (or 25835 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 32920002 is about 5737.5954894015. The cubic root of 32920002 is about 320.4940350638.

Adding to 32920002 its reverse (20002923), we get a palindrome (52922925).

The spelling of 32920002 in words is "thirty-two million, nine hundred twenty thousand, two".