20100970 has 32 divisors (see below), whose sum is σ = 38533968. Its totient is φ = 7523328.

The previous prime is 20100943. The next prime is 20100991. The reversal of 20100970 is 7900102.

20100970 is a nontrivial binomial coefficient, being equal to C(6341, 2).

It can be written as a sum of positive squares in 8 ways, for example, as 6610041 + 13490929 = 2571^2 + 3673^2 .

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, 53704 + ... + 54076.

Almost surely, 2^20100970 is an apocalyptic number.

20100970 is the 6340-th triangular number.

20100970 is the 2114-th centered nonagonal number.

20100970 is a deficient number, since it is larger than the sum of its proper divisors (18432998).

20100970 is a wasteful number, since it uses less digits than its factorization.

20100970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 20100970 is about 4483.4105321730. The cubic root of 20100970 is about 271.8977863493.

The spelling of 20100970 in words is "twenty million, one hundred thousand, nine hundred seventy".