20221254134 has 16 divisors (see below), whose sum is σ = 31157412048. Its totient is φ = 9835551072.

The previous prime is 20221254133. The next prime is 20221254169. The reversal of 20221254134 is 43145212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221254133) 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, 434669 + ... + 478935.

It is an arithmetic number, because the mean of its divisors is an integer number (1947338253).

Almost surely, 2^20221254134 is an apocalyptic number.

20221254134 is a deficient number, since it is larger than the sum of its proper divisors (10936157914).

20221254134 is a wasteful number, since it uses less digits than its factorization.

20221254134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50479.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20221254134 its reverse (43145212202), we get a palindrome (63366466336).

The spelling of 20221254134 in words is "twenty billion, two hundred twenty-one million, two hundred fifty-four thousand, one hundred thirty-four".