20050221231044 has 24 divisors (see below), whose sum is σ = 35095914399000. Its totient is φ = 10022817404160.

The previous prime is 20050221231037. The next prime is 20050221231059. The reversal of 20050221231044 is 44013212205002.

It can be written as a sum of positive squares in 4 ways, for example, as 1452892729600 + 18597328501444 = 1205360^2 + 4312462^2 .

It is a super-2 number, since 2×20050221231044² (a number of 27 digits) contains 22 as substring.

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, 390443882 + ... + 390495230.

It is an arithmetic number, because the mean of its divisors is an integer number (1462329766625).

Almost surely, 2^{20050221231044} is an apocalyptic number.

It is an amenable number.

20050221231044 is a deficient number, since it is larger than the sum of its proper divisors (15045693167956).

20050221231044 is a wasteful number, since it uses less digits than its factorization.

20050221231044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71783 (or 71781 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20050221231044 its reverse (44013212205002), we get a palindrome (64063433436046).

The spelling of 20050221231044 in words is "twenty trillion, fifty billion, two hundred twenty-one million, two hundred thirty-one thousand, forty-four".