21920273144414 has 4 divisors (see below), whose sum is σ = 32880409716624. Its totient is φ = 10960136572206.

The previous prime is 21920273144389. The next prime is 21920273144417. The reversal of 21920273144414 is 41444137202912.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21920273144417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5480068286102 + ... + 5480068286105.

It is an arithmetic number, because the mean of its divisors is an integer number (8220102429156).

Almost surely, 2^{21920273144414} is an apocalyptic number.

21920273144414 is a deficient number, since it is larger than the sum of its proper divisors (10960136572210).

21920273144414 is a wasteful number, since it uses less digits than its factorization.

21920273144414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960136572209.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 21920273144414 in words is "twenty-one trillion, nine hundred twenty billion, two hundred seventy-three million, one hundred forty-four thousand, four hundred fourteen".