20221105440 has 96 divisors (see below), whose sum is σ = 64502887680. Its totient is φ = 5324027904.

The previous prime is 20221105417. The next prime is 20221105493. The reversal of 20221105440 is 4450112202.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228709 + ... + 304548.

It is an arithmetic number, because the mean of its divisors is an integer number (671905080).

Almost surely, 2^20221105440 is an apocalyptic number.

20221105440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221105440 is an abundant number, since it is smaller than the sum of its proper divisors (44281782240).

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

20221105440 is a wasteful number, since it uses less digits than its factorization.

20221105440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533354 (or 533346 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20221105440 its reverse (4450112202), we get a palindrome (24671217642).

The spelling of 20221105440 in words is "twenty billion, two hundred twenty-one million, one hundred five thousand, four hundred forty".