20424226050 has 54 divisors (see below), whose sum is σ = 54881233563. Its totient is φ = 5445651840.

The previous prime is 20424226049. The next prime is 20424226061. The reversal of 20424226050 is 5062242402.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 7565346441 + 12858879609 = 86979^2 + 113397^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=101055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3028282 + ... + 3035018.

Almost surely, 2^20424226050 is an apocalyptic number.

20424226050 is an abundant number, since it is smaller than the sum of its proper divisors (34457007513).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20424226050 is an frugal number, since it uses more digits than its factorization.

20424226050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492 (or 6747 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20424226050 its reverse (5062242402), we get a palindrome (25486468452).

The spelling of 20424226050 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-six thousand, fifty".