20221433433140 has 72 divisors (see below), whose sum is σ = 43181554066560. Its totient is φ = 7954318289280.

The previous prime is 20221433433037. The next prime is 20221433433197. The reversal of 20221433433140 is 4133433412202.

It is a junction number, because it is equal to n+sod(n) for n = 20221433433097 and 20221433433106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394623641 + ... + 394674879.

It is an arithmetic number, because the mean of its divisors is an integer number (599743806480).

Almost surely, 2^{20221433433140} is an apocalyptic number.

20221433433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221433433140 is an abundant number, since it is smaller than the sum of its proper divisors (22960120633420).

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

20221433433140 is a wasteful number, since it uses less digits than its factorization.

20221433433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56673 (or 56610 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20221433433140 its reverse (4133433412202), we get a palindrome (24354866845342).

The spelling of 20221433433140 in words is "twenty trillion, two hundred twenty-one billion, four hundred thirty-three million, four hundred thirty-three thousand, one hundred forty".