32002020 has 48 divisors (see below), whose sum is σ = 99563520. Its totient is φ = 8533728.

The previous prime is 32001989. The next prime is 32002021. The reversal of 32002020 is 2020023.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 32001993 and 32002011.

It is not an unprimeable number, because it can be changed into a prime (32002021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29092 + ... + 30171.

It is an arithmetic number, because the mean of its divisors is an integer number (2074240).

Almost surely, 2^32002020 is an apocalyptic number.

32002020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32002020 is an abundant number, since it is smaller than the sum of its proper divisors (67561500).

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

32002020 is a wasteful number, since it uses less digits than its factorization.

32002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59281 (or 59273 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 32002020 is about 5657.0327911371. The cubic root of 32002020 is about 317.4868905658.

Adding to 32002020 its reverse (2020023), we get a palindrome (34022043).

The spelling of 32002020 in words is "thirty-two million, two thousand, twenty".