20252421414501 has 16 divisors (see below), whose sum is σ = 27160045428096. Its totient is φ = 13423210028096.

The previous prime is 20252421414497. The next prime is 20252421414517. The reversal of 20252421414501 is 10541412425202.

It is a cyclic number.

It is not a de Polignac number, because 20252421414501 - 2² = 20252421414497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252421414551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19577416 + ... + 20585918.

It is an arithmetic number, because the mean of its divisors is an integer number (1697502839256).

Almost surely, 2^{20252421414501} is an apocalyptic number.

It is an amenable number.

20252421414501 is a deficient number, since it is larger than the sum of its proper divisors (6907624013595).

20252421414501 is a wasteful number, since it uses less digits than its factorization.

20252421414501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047372.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 20252421414501 its reverse (10541412425202), we get a palindrome (30793833839703).

The spelling of 20252421414501 in words is "twenty trillion, two hundred fifty-two billion, four hundred twenty-one million, four hundred fourteen thousand, five hundred one".