32403202420 has 12 divisors (see below), whose sum is σ = 68046725124. Its totient is φ = 12961280960.

The previous prime is 32403202409. The next prime is 32403202441. The reversal of 32403202420 is 2420230423.

It can be written as a sum of positive squares in 2 ways, for example, as 7455631716 + 24947570704 = 86346^2 + 157948^2 .

It is a super-3 number, since 3×32403202420³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32403202391 and 32403202400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810080041 + ... + 810080080.

It is an arithmetic number, because the mean of its divisors is an integer number (5670560427).

Almost surely, 2^32403202420 is an apocalyptic number.

It is an amenable number.

32403202420 is an abundant number, since it is smaller than the sum of its proper divisors (35643522704).

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

32403202420 is a wasteful number, since it uses less digits than its factorization.

32403202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620160130 (or 1620160128 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 32403202420 its reverse (2420230423), we get a palindrome (34823432843).

The spelling of 32403202420 in words is "thirty-two billion, four hundred three million, two hundred two thousand, four hundred twenty".