20220041440 has 48 divisors (see below), whose sum is σ = 47784951648. Its totient is φ = 8085459456.

The previous prime is 20220041423. The next prime is 20220041561. The reversal of 20220041440 is 4414002202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535834 + ... + 572326.

It is an arithmetic number, because the mean of its divisors is an integer number (995519826).

Almost surely, 2^20220041440 is an apocalyptic number.

20220041440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220041440 is an abundant number, since it is smaller than the sum of its proper divisors (27564910208).

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

20220041440 is a wasteful number, since it uses less digits than its factorization.

20220041440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39971 (or 39963 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20220041440 its reverse (4414002202), we get a palindrome (24634043642).

The spelling of 20220041440 in words is "twenty billion, two hundred twenty million, forty-one thousand, four hundred forty".