210325020 has 96 divisors (see below), whose sum is σ = 640519488. Its totient is φ = 51351552.

The previous prime is 210325001. The next prime is 210325021. The reversal of 210325020 is 20523012.

It is a super-2 number, since 2×210325020² = 88473228076000800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210325021) 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, 34954 + ... + 40526.

It is an arithmetic number, because the mean of its divisors is an integer number (6672078).

Almost surely, 2^210325020 is an apocalyptic number.

210325020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210325020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320259744).

210325020 is an abundant number, since it is smaller than the sum of its proper divisors (430194468).

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

210325020 is a wasteful number, since it uses less digits than its factorization.

210325020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639 (or 5637 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 210325020 is about 14502.5866658331. The cubic root of 210325020 is about 594.6986869741.

Adding to 210325020 its reverse (20523012), we get a palindrome (230848032).

The spelling of 210325020 in words is "two hundred ten million, three hundred twenty-five thousand, twenty".