3515420120 has 64 divisors (see below), whose sum is σ = 8054017920. Its totient is φ = 1380685824.

The previous prime is 3515420099. The next prime is 3515420141. The reversal of 3515420120 is 210245153.

It is an interprime number because it is at equal distance from previous prime (3515420099) and next prime (3515420141).

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, 677777 + ... + 682943.

It is an arithmetic number, because the mean of its divisors is an integer number (125844030).

Almost surely, 2^3515420120 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 3515420120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4027008960).

3515420120 is an abundant number, since it is smaller than the sum of its proper divisors (4538597800).

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

3515420120 is a wasteful number, since it uses less digits than its factorization.

3515420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 3515420120 is about 59290.9784031264. The cubic root of 3515420120 is about 1520.5209606237.

Adding to 3515420120 its reverse (210245153), we get a palindrome (3725665273).

The spelling of 3515420120 in words is "three billion, five hundred fifteen million, four hundred twenty thousand, one hundred twenty".