20070964 has 12 divisors (see below), whose sum is σ = 35265888. Its totient is φ = 9995000.

The previous prime is 20070961. The next prime is 20070971. The reversal of 20070964 is 46907002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070961) 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, 8992 + ... + 10999.

It is an arithmetic number, because the mean of its divisors is an integer number (2938824).

Almost surely, 2^20070964 is an apocalyptic number.

It is an amenable number.

20070964 is a deficient number, since it is larger than the sum of its proper divisors (15194924).

20070964 is a wasteful number, since it uses less digits than its factorization.

20070964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20246 (or 20244 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20070964 is about 4480.0629459864. The cubic root of 20070964 is about 271.7624259173.

Adding to 20070964 its reverse (46907002), we get a palindrome (66977966).

The spelling of 20070964 in words is "twenty million, seventy thousand, nine hundred sixty-four".