20956076 has 24 divisors (see below), whose sum is σ = 37576224. Its totient is φ = 10223360.

The previous prime is 20956073. The next prime is 20956081. The reversal of 20956076 is 67065902.

It is not an unprimeable number, because it can be changed into a prime (20956073) 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, 31766 + ... + 32418.

It is an arithmetic number, because the mean of its divisors is an integer number (1565676).

Almost surely, 2^20956076 is an apocalyptic number.

It is an amenable number.

20956076 is a deficient number, since it is larger than the sum of its proper divisors (16620148).

20956076 is a wasteful number, since it uses less digits than its factorization.

20956076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 20956076 is about 4577.7806850045. The cubic root of 20956076 is about 275.6999294264.

The spelling of 20956076 in words is "twenty million, nine hundred fifty-six thousand, seventy-six".