20522150024 has 8 divisors (see below), whose sum is σ = 38479031310. Its totient is φ = 10261075008.

The previous prime is 20522149997. The next prime is 20522150053. The reversal of 20522150024 is 42005122502.

It can be written as a sum of positive squares in only one way, i.e., 15595513924 + 4926636100 = 124882^2 + 70190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282634369 + ... + 1282634384.

Almost surely, 2^20522150024 is an apocalyptic number.

It is an amenable number.

20522150024 is a deficient number, since it is larger than the sum of its proper divisors (17956881286).

20522150024 is a wasteful number, since it uses less digits than its factorization.

20522150024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565268759 (or 2565268755 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 20522150024 its reverse (42005122502), we get a palindrome (62527272526).

The spelling of 20522150024 in words is "twenty billion, five hundred twenty-two million, one hundred fifty thousand, twenty-four".