20424301354 has 4 divisors (see below), whose sum is σ = 30636452034. Its totient is φ = 10212150676.

The previous prime is 20424301349. The next prime is 20424301363. The reversal of 20424301354 is 45310342402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11262940129 + 9161361225 = 106127^2 + 95715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106075337 + ... + 5106075340.

Almost surely, 2^20424301354 is an apocalyptic number.

20424301354 is a deficient number, since it is larger than the sum of its proper divisors (10212150680).

20424301354 is a wasteful number, since it uses less digits than its factorization.

20424301354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212150679.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20424301354 its reverse (45310342402), we get a palindrome (65734643756).

The spelling of 20424301354 in words is "twenty billion, four hundred twenty-four million, three hundred one thousand, three hundred fifty-four".