20071064 has 16 divisors (see below), whose sum is σ = 40528320. Its totient is φ = 9263520.

The previous prime is 20071039. The next prime is 20071097. The reversal of 20071064 is 46017002.

It is a super-2 number, since 2×20071064² = 805695220184192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96392 + ... + 96599.

It is an arithmetic number, because the mean of its divisors is an integer number (2533020).

Almost surely, 2^20071064 is an apocalyptic number.

It is an amenable number.

20071064 is an abundant number, since it is smaller than the sum of its proper divisors (20457256).

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

20071064 is a wasteful number, since it uses less digits than its factorization.

20071064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193010 (or 193006 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20071064 is about 4480.0741065299. The cubic root of 20071064 is about 271.7628772525.

Adding to 20071064 its reverse (46017002), we get a palindrome (66088066).

The spelling of 20071064 in words is "twenty million, seventy-one thousand, sixty-four".