20426213541 has 8 divisors (see below), whose sum is σ = 28837007424. Its totient is φ = 12816447680.

The previous prime is 20426213527. The next prime is 20426213557. The reversal of 20426213541 is 14531262402.

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 20426213541 - 2¹⁰ = 20426212517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20426213499 and 20426213508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20426213581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200256945 + ... + 200257046.

It is an arithmetic number, because the mean of its divisors is an integer number (3604625928).

Almost surely, 2^20426213541 is an apocalyptic number.

It is an amenable number.

20426213541 is a deficient number, since it is larger than the sum of its proper divisors (8410793883).

20426213541 is a wasteful number, since it uses less digits than its factorization.

20426213541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400514011.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20426213541 its reverse (14531262402), we get a palindrome (34957475943).

The spelling of 20426213541 in words is "twenty billion, four hundred twenty-six million, two hundred thirteen thousand, five hundred forty-one".