20240131671236 has 48 divisors (see below), whose sum is σ = 36238705907712. Its totient is φ = 9887003596800.

The previous prime is 20240131671223. The next prime is 20240131671257. The reversal of 20240131671236 is 63217613104202.

It is a self number, because there is not a number n which added to its sum of digits gives 20240131671236.

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, 241599596 + ... + 241683356.

It is an arithmetic number, because the mean of its divisors is an integer number (754973039744).

Almost surely, 2^{20240131671236} is an apocalyptic number.

It is an amenable number.

20240131671236 is a deficient number, since it is larger than the sum of its proper divisors (15998574236476).

20240131671236 is a wasteful number, since it uses less digits than its factorization.

20240131671236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86100 (or 86098 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 20240131671236 its reverse (63217613104202), we get a palindrome (83457744775438).

The spelling of 20240131671236 in words is "twenty trillion, two hundred forty billion, one hundred thirty-one million, six hundred seventy-one thousand, two hundred thirty-six".