20522127234 has 32 divisors (see below), whose sum is σ = 47391313536. Its totient is φ = 5803015680.

The previous prime is 20522127233. The next prime is 20522127281. The reversal of 20522127234 is 43272122502.

It is not an unprimeable number, because it can be changed into a prime (20522127233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2514597 + ... + 2522744.

It is an arithmetic number, because the mean of its divisors is an integer number (1480978548).

Almost surely, 2^20522127234 is an apocalyptic number.

20522127234 is an abundant number, since it is smaller than the sum of its proper divisors (26869186302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20522127234 is a wasteful number, since it uses less digits than its factorization.

20522127234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037450.

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 20522127234 its reverse (43272122502), we get a palindrome (63794249736).

The spelling of 20522127234 in words is "twenty billion, five hundred twenty-two million, one hundred twenty-seven thousand, two hundred thirty-four".