20841755996 has 24 divisors (see below), whose sum is σ = 36547005936. Its totient is φ = 10399777920.

The previous prime is 20841755971. The next prime is 20841756007. The reversal of 20841755996 is 69955714802.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7450070 + ... + 7452866.

It is an arithmetic number, because the mean of its divisors is an integer number (1522791914).

Almost surely, 2^20841755996 is an apocalyptic number.

It is an amenable number.

20841755996 is a deficient number, since it is larger than the sum of its proper divisors (15705249940).

20841755996 is a wasteful number, since it uses less digits than its factorization.

20841755996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909 (or 5907 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 20841755996 in words is "twenty billion, eight hundred forty-one million, seven hundred fifty-five thousand, nine hundred ninety-six".