20210852 has 6 divisors (see below), whose sum is σ = 35368998. Its totient is φ = 10105424.

The previous prime is 20210849. The next prime is 20210867. The reversal of 20210852 is 25801202.

It can be written as a sum of positive squares in only one way, i.e., 12845056 + 7365796 = 3584^2 + 2714^2 .

It is a super-3 number, since 3×20210852³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526353 + ... + 2526360.

It is an arithmetic number, because the mean of its divisors is an integer number (5894833).

Almost surely, 2^20210852 is an apocalyptic number.

It is an amenable number.

20210852 is a deficient number, since it is larger than the sum of its proper divisors (15158146).

20210852 is a wasteful number, since it uses less digits than its factorization.

20210852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052717 (or 5052715 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 20210852 is about 4495.6481179025. The cubic root of 20210852 is about 272.3923295976.

The spelling of 20210852 in words is "twenty million, two hundred ten thousand, eight hundred fifty-two".