20424226051 has 8 divisors (see below), whose sum is σ = 20454766640. Its totient is φ = 20393710848.

The previous prime is 20424226049. The next prime is 20424226061. The reversal of 20424226051 is 15062242402.

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 20424226051 - 2¹ = 20424226049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20424226001) 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, 2081980 + ... + 2091766.

It is an arithmetic number, because the mean of its divisors is an integer number (2556845830).

Almost surely, 2^20424226051 is an apocalyptic number.

20424226051 is a deficient number, since it is larger than the sum of its proper divisors (30540589).

20424226051 is a wasteful number, since it uses less digits than its factorization.

20424226051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12693.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 20424226051 its reverse (15062242402), we get a palindrome (35486468453).

The spelling of 20424226051 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-six thousand, fifty-one".