20234144554 has 12 divisors (see below), whose sum is σ = 32865519366. Its totient is φ = 9338835792.

The previous prime is 20234144551. The next prime is 20234144573. The reversal of 20234144554 is 45544143202.

It can be written as a sum of positive squares in 3 ways, for example, as 4801797025 + 15432347529 = 69295^2 + 124227^2 .

It is not an unprimeable number, because it can be changed into a prime (20234144551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29931829 + ... + 29932504.

Almost surely, 2^20234144554 is an apocalyptic number.

20234144554 is a deficient number, since it is larger than the sum of its proper divisors (12631374812).

20234144554 is a wasteful number, since it uses less digits than its factorization.

20234144554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59864361 (or 59864348 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 20234144554 its reverse (45544143202), we get a palindrome (65778287756).

The spelling of 20234144554 in words is "twenty billion, two hundred thirty-four million, one hundred forty-four thousand, five hundred fifty-four".