20054421514 has 4 divisors (see below), whose sum is σ = 30081632274. Its totient is φ = 10027210756.

The previous prime is 20054421481. The next prime is 20054421551. The reversal of 20054421514 is 41512445002.

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., 13341405025 + 6713016489 = 115505^2 + 81933^2 .

It is a super-2 number, since 2×20054421514² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013605377 + ... + 5013605380.

Almost surely, 2^20054421514 is an apocalyptic number.

20054421514 is a deficient number, since it is larger than the sum of its proper divisors (10027210760).

20054421514 is a wasteful number, since it uses less digits than its factorization.

20054421514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10027210759.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 20054421514 its reverse (41512445002), we get a palindrome (61566866516).

The spelling of 20054421514 in words is "twenty billion, fifty-four million, four hundred twenty-one thousand, five hundred fourteen".