20071896 has 32 divisors (see below), whose sum is σ = 54040560. Its totient is φ = 6175872.

The previous prime is 20071873. The next prime is 20071901. The reversal of 20071896 is 69817002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31855 + ... + 32478.

Almost surely, 2^20071896 is an apocalyptic number.

20071896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20071896 is an abundant number, since it is smaller than the sum of its proper divisors (33968664).

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

20071896 is a wasteful number, since it uses less digits than its factorization.

20071896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64355 (or 64351 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 20071896 is about 4480.1669611745. The cubic root of 20071896 is about 271.7666323032.

Adding to 20071896 its reverse (69817002), we get a palindrome (89888898).

The spelling of 20071896 in words is "twenty million, seventy-one thousand, eight hundred ninety-six".