20240151221244 has 24 divisors (see below), whose sum is σ = 47694613771728. Its totient is φ = 6679917894400.

The previous prime is 20240151221183. The next prime is 20240151221249. The reversal of 20240151221244 is 44212215104202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240151221249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8349896157 + ... + 8349898580.

It is an arithmetic number, because the mean of its divisors is an integer number (1987275573822).

Almost surely, 2^{20240151221244} is an apocalyptic number.

It is an amenable number.

20240151221244 is an abundant number, since it is smaller than the sum of its proper divisors (27454462550484).

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

20240151221244 is a wasteful number, since it uses less digits than its factorization.

20240151221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16699794845 (or 16699794843 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 20240151221244 its reverse (44212215104202), we get a palindrome (64452366325446).

The spelling of 20240151221244 in words is "twenty trillion, two hundred forty billion, one hundred fifty-one million, two hundred twenty-one thousand, two hundred forty-four".