20114402521 has 8 divisors (see below), whose sum is σ = 20445546944. Its totient is φ = 19784167920.

The previous prime is 20114402509. The next prime is 20114402531. The reversal of 20114402521 is 12520441102.

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 20114402521 - 2⁵ = 20114402489 is a prime.

It is a super-2 number, since 2×20114402521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20114402492 and 20114402501.

It is not an unprimeable number, because it can be changed into a prime (20114402531) 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, 182805 + ... + 271378.

It is an arithmetic number, because the mean of its divisors is an integer number (2555693368).

Almost surely, 2^20114402521 is an apocalyptic number.

It is an amenable number.

20114402521 is a deficient number, since it is larger than the sum of its proper divisors (331144423).

20114402521 is an equidigital number, since it uses as much as digits as its factorization.

20114402521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454911.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20114402521 its reverse (12520441102), we get a palindrome (32634843623).

The spelling of 20114402521 in words is "twenty billion, one hundred fourteen million, four hundred two thousand, five hundred twenty-one".