20070970 has 8 divisors (see below), whose sum is σ = 36127764. Its totient is φ = 8028384.

The previous prime is 20070961. The next prime is 20070971. The reversal of 20070970 is 7907002.

It can be written as a sum of positive squares in 2 ways, for example, as 18378369 + 1692601 = 4287^2 + 1301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20070971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003539 + ... + 1003558.

Almost surely, 2^20070970 is an apocalyptic number.

20070970 is a deficient number, since it is larger than the sum of its proper divisors (16056794).

20070970 is a wasteful number, since it uses less digits than its factorization.

20070970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007104.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 20070970 is about 4480.0636156198. The cubic root of 20070970 is about 271.7624529974.

Adding to 20070970 its reverse (7907002), we get a palindrome (27977972).

The spelling of 20070970 in words is "twenty million, seventy thousand, nine hundred seventy".