20970852 has 48 divisors (see below), whose sum is σ = 56149632. Its totient is φ = 5967360.

The previous prime is 20970827. The next prime is 20970853. The reversal of 20970852 is 25807902.

It is not an unprimeable number, because it can be changed into a prime (20970853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35068 + ... + 35660.

It is an arithmetic number, because the mean of its divisors is an integer number (1169784).

Almost surely, 2^20970852 is an apocalyptic number.

It is an amenable number.

20970852 is an abundant number, since it is smaller than the sum of its proper divisors (35178780).

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

20970852 is a wasteful number, since it uses less digits than its factorization.

20970852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 20970852 is about 4579.3942830903. The cubic root of 20970852 is about 275.7647123096.

The spelling of 20970852 in words is "twenty million, nine hundred seventy thousand, eight hundred fifty-two".