210520002 has 64 divisors (see below), whose sum is σ = 537191424. Its totient is φ = 53403840.

The previous prime is 210520001. The next prime is 210520049. The reversal of 210520002 is 200025012.

It is a self number, because there is not a number n which added to its sum of digits gives 210520002.

It is not an unprimeable number, because it can be changed into a prime (210520001) 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, 14568 + ... + 25164.

It is an arithmetic number, because the mean of its divisors is an integer number (8393616).

Almost surely, 2^210520002 is an apocalyptic number.

210520002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 210520002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268595712).

210520002 is an abundant number, since it is smaller than the sum of its proper divisors (326671422).

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

210520002 is a wasteful number, since it uses less digits than its factorization.

210520002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 210520002 is about 14509.3074266141. The cubic root of 210520002 is about 594.8824021999.

Adding to 210520002 its reverse (200025012), we get a palindrome (410545014).

The spelling of 210520002 in words is "two hundred ten million, five hundred twenty thousand, two".