20771934 has 8 divisors (see below), whose sum is σ = 41543880. Its totient is φ = 6923976.

The previous prime is 20771929. The next prime is 20771939. The reversal of 20771934 is 43917702.

It is an interprime number because it is at equal distance from previous prime (20771929) and next prime (20771939).

It is a sphenic number, since it is the product of 3 distinct primes.

20771934 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20771895 and 20771904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20771939) 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, 1730989 + ... + 1731000.

It is an arithmetic number, because the mean of its divisors is an integer number (5192985).

Almost surely, 2^20771934 is an apocalyptic number.

20771934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20771934 is a wasteful number, since it uses less digits than its factorization.

20771934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461994.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 20771934 is about 4557.6237229504. The cubic root of 20771934 is about 274.8900232421.

The spelling of 20771934 in words is "twenty million, seven hundred seventy-one thousand, nine hundred thirty-four".