20140221022 has 8 divisors (see below), whose sum is σ = 30257026416. Its totient is φ = 10054545552.

The previous prime is 20140220993. The next prime is 20140221041. The reversal of 20140221022 is 22012204102.

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 = 20140220987 and 20140221005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7780863 + ... + 7783450.

It is an arithmetic number, because the mean of its divisors is an integer number (3782128302).

Almost surely, 2^20140221022 is an apocalyptic number.

20140221022 is a deficient number, since it is larger than the sum of its proper divisors (10116805394).

20140221022 is a wasteful number, since it uses less digits than its factorization.

20140221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564962.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20140221022 its reverse (22012204102), we get a palindrome (42152425124).

The spelling of 20140221022 in words is "twenty billion, one hundred forty million, two hundred twenty-one thousand, twenty-two".