603632020420 has 96 divisors (see below), whose sum is σ = 1491568235136. Its totient is φ = 202301030400.

The previous prime is 603632020393. The next prime is 603632020421. The reversal of 603632020420 is 24020236306.

It is not an unprimeable number, because it can be changed into a prime (603632020421) 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, 1668627 + ... + 1997893.

It is an arithmetic number, because the mean of its divisors is an integer number (15537169116).

Almost surely, 2^603632020420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 603632020420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745784117568).

603632020420 is an abundant number, since it is smaller than the sum of its proper divisors (887936214716).

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

603632020420 is a wasteful number, since it uses less digits than its factorization.

603632020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329941 (or 329939 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 603632020420 its reverse (24020236306), we get a palindrome (627652256726).

The spelling of 603632020420 in words is "six hundred three billion, six hundred thirty-two million, twenty thousand, four hundred twenty".