20921844048962 has 8 divisors (see below), whose sum is σ = 31394568550800. Its totient is φ = 10456987865364.

The previous prime is 20921844048949. The next prime is 20921844048967. The reversal of 20921844048962 is 26984044812902.

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

It is not an unprimeable number, because it can be changed into a prime (20921844048967) 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, 1967072912 + ... + 1967083547.

It is an arithmetic number, because the mean of its divisors is an integer number (3924321068850).

Almost surely, 2^{20921844048962} is an apocalyptic number.

20921844048962 is a deficient number, since it is larger than the sum of its proper divisors (10472724501838).

20921844048962 is a wasteful number, since it uses less digits than its factorization.

20921844048962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934159120.

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 20921844048962 in words is "twenty trillion, nine hundred twenty-one billion, eight hundred forty-four million, forty-eight thousand, nine hundred sixty-two".