20022341421 has 32 divisors (see below), whose sum is σ = 27836075520. Its totient is φ = 12791104704.

The previous prime is 20022341399. The next prime is 20022341429. The reversal of 20022341421 is 12414322002.

It is not a de Polignac number, because 20022341421 - 2¹³ = 20022333229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022341429) 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 31 ways as a sum of consecutive naturals, for example, 4236966 + ... + 4241688.

It is an arithmetic number, because the mean of its divisors is an integer number (869877360).

Almost surely, 2^20022341421 is an apocalyptic number.

It is an amenable number.

20022341421 is a deficient number, since it is larger than the sum of its proper divisors (7813734099).

20022341421 is a wasteful number, since it uses less digits than its factorization.

20022341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20022341421 its reverse (12414322002), we get a palindrome (32436663423).

The spelling of 20022341421 in words is "twenty billion, twenty-two million, three hundred forty-one thousand, four hundred twenty-one".