20221467488 has 12 divisors (see below), whose sum is σ = 39811014180. Its totient is φ = 10110733728.

The previous prime is 20221467433. The next prime is 20221467491. The reversal of 20221467488 is 88476412202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315960398 + ... + 315960461.

It is an arithmetic number, because the mean of its divisors is an integer number (3317584515).

Almost surely, 2^20221467488 is an apocalyptic number.

It is an amenable number.

20221467488 is a deficient number, since it is larger than the sum of its proper divisors (19589546692).

20221467488 is an equidigital number, since it uses as much as digits as its factorization.

20221467488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631920869 (or 631920861 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 20221467488 in words is "twenty billion, two hundred twenty-one million, four hundred sixty-seven thousand, four hundred eighty-eight".