20221467486 has 24 divisors (see below), whose sum is σ = 44453806152. Its totient is φ = 6127717200.

The previous prime is 20221467433. The next prime is 20221467491. The reversal of 20221467486 is 68476412202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13925905 + ... + 13927356.

It is an arithmetic number, because the mean of its divisors is an integer number (1852241923).

Almost surely, 2^20221467486 is an apocalyptic number.

20221467486 is an abundant number, since it is smaller than the sum of its proper divisors (24232338666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221467486 is a wasteful number, since it uses less digits than its factorization.

20221467486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27853288 (or 27853277 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

Adding to 20221467486 its reverse (68476412202), we get a palindrome (88697879688).

The spelling of 20221467486 in words is "twenty billion, two hundred twenty-one million, four hundred sixty-seven thousand, four hundred eighty-six".