20253604335251 has 8 divisors (see below), whose sum is σ = 24153366660864. Its totient is φ = 16605439579080.

The previous prime is 20253604335227. The next prime is 20253604335257. The reversal of 20253604335251 is 15253340635202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20253604335251 - 2¹⁴ = 20253604318867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20253604335199 and 20253604335208.

It is not an unprimeable number, because it can be changed into a prime (20253604335257) 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, 62899392185 + ... + 62899392506.

It is an arithmetic number, because the mean of its divisors is an integer number (3019170832608).

Almost surely, 2^{20253604335251} is an apocalyptic number.

20253604335251 is a deficient number, since it is larger than the sum of its proper divisors (3899762325613).

20253604335251 is a wasteful number, since it uses less digits than its factorization.

20253604335251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125798784721.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 20253604335251 in words is "twenty trillion, two hundred fifty-three billion, six hundred four million, three hundred thirty-five thousand, two hundred fifty-one".