20962971046 has 8 divisors (see below), whose sum is σ = 31977413640. Its totient is φ = 10303833168.

The previous prime is 20962971041. The next prime is 20962971047. The reversal of 20962971046 is 64017926902.

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

It is a junction number, because it is equal to n+sod(n) for n = 20962970987 and 20962971005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20962971041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88826031 + ... + 88826266.

It is an arithmetic number, because the mean of its divisors is an integer number (3997176705).

Almost surely, 2^20962971046 is an apocalyptic number.

20962971046 is a deficient number, since it is larger than the sum of its proper divisors (11014442594).

20962971046 is a wasteful number, since it uses less digits than its factorization.

20962971046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177652358.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 20962971046 in words is "twenty billion, nine hundred sixty-two million, nine hundred seventy-one thousand, forty-six".