20001076 has 24 divisors (see below), whose sum is σ = 37707264. Its totient is φ = 9255840.

The previous prime is 20001073. The next prime is 20001083. The reversal of 20001076 is 67010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655 + ... + 6358.

It is an arithmetic number, because the mean of its divisors is an integer number (1571136).

Almost surely, 2^20001076 is an apocalyptic number.

It is an amenable number.

20001076 is a deficient number, since it is larger than the sum of its proper divisors (17706188).

20001076 is a wasteful number, since it uses less digits than its factorization.

20001076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071 (or 7069 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 20001076 is about 4472.2562538388. The cubic root of 20001076 is about 271.4466294278.

Adding to 20001076 its reverse (67010002), we get a palindrome (87011078).

The spelling of 20001076 in words is "twenty million, one thousand, seventy-six".