352020020 has 96 divisors (see below), whose sum is σ = 868444416. Its totient is φ = 118425600.

The previous prime is 352020017. The next prime is 352020029. The reversal of 352020020 is 20020253.

It is a junction number, because it is equal to n+sod(n) for n = 352019977 and 352020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352020029) 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, 227369 + ... + 228911.

It is an arithmetic number, because the mean of its divisors is an integer number (9046296).

Almost surely, 2^352020020 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 352020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434222208).

352020020 is an abundant number, since it is smaller than the sum of its proper divisors (516424396).

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

352020020 is a wasteful number, since it uses less digits than its factorization.

352020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 352020020 is about 18762.1965665004. The cubic root of 352020020 is about 706.0830527156.

Adding to 352020020 its reverse (20020253), we get a palindrome (372040273).

The spelling of 352020020 in words is "three hundred fifty-two million, twenty thousand, twenty".