20211321014 has 8 divisors (see below), whose sum is σ = 30325558680. Its totient is φ = 10102801456.

The previous prime is 20211320999. The next prime is 20211321019. The reversal of 20211321014 is 41012311202.

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 = 20211320983 and 20211321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211321019) 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, 1420679 + ... + 1434834.

It is an arithmetic number, because the mean of its divisors is an integer number (3790694835).

Almost surely, 2^20211321014 is an apocalyptic number.

20211321014 is a deficient number, since it is larger than the sum of its proper divisors (10114237666).

20211321014 is a wasteful number, since it uses less digits than its factorization.

20211321014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859054.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20211321014 its reverse (41012311202), we get a palindrome (61223632216).

The spelling of 20211321014 in words is "twenty billion, two hundred eleven million, three hundred twenty-one thousand, fourteen".