32020646 has 32 divisors (see below), whose sum is σ = 57646080. Its totient is φ = 13042656.

The previous prime is 32020633. The next prime is 32020661. The reversal of 32020646 is 64602023.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89015 + ... + 89373.

It is an arithmetic number, because the mean of its divisors is an integer number (1801440).

Almost surely, 2^32020646 is an apocalyptic number.

32020646 is a deficient number, since it is larger than the sum of its proper divisors (25625434).

32020646 is a wasteful number, since it uses less digits than its factorization.

32020646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 32020646 is about 5658.6788210677. The cubic root of 32020646 is about 317.5484738026.

Adding to 32020646 its reverse (64602023), we get a palindrome (96622669).

The spelling of 32020646 in words is "thirty-two million, twenty thousand, six hundred forty-six".