20526414304421 has 8 divisors (see below), whose sum is σ = 21198687500160. Its totient is φ = 19863955316128.

The previous prime is 20526414304399. The next prime is 20526414304423. The reversal of 20526414304421 is 12440341462502.

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 20526414304421 - 2²² = 20526410110117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20526414304423) 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, 2453547611 + ... + 2453555976.

It is an arithmetic number, because the mean of its divisors is an integer number (2649835937520).

Almost surely, 2^{20526414304421} is an apocalyptic number.

It is an amenable number.

20526414304421 is a deficient number, since it is larger than the sum of its proper divisors (672273195739).

20526414304421 is an equidigital number, since it uses as much as digits as its factorization.

20526414304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907103723.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 20526414304421 its reverse (12440341462502), we get a palindrome (32966755766923).

The spelling of 20526414304421 in words is "twenty trillion, five hundred twenty-six billion, four hundred fourteen million, three hundred four thousand, four hundred twenty-one".