20523114284 has 12 divisors (see below), whose sum is σ = 37153914000. Its totient is φ = 9907710288.

The previous prime is 20523114281. The next prime is 20523114361. The reversal of 20523114284 is 48241132502.

It is a self number, because there is not a number n which added to its sum of digits gives 20523114284.

It is not an unprimeable number, because it can be changed into a prime (20523114281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88461584 + ... + 88461815.

It is an arithmetic number, because the mean of its divisors is an integer number (3096159500).

Almost surely, 2^20523114284 is an apocalyptic number.

It is an amenable number.

20523114284 is a deficient number, since it is larger than the sum of its proper divisors (16630799716).

20523114284 is a wasteful number, since it uses less digits than its factorization.

20523114284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176923432 (or 176923430 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 20523114284 its reverse (48241132502), we get a palindrome (68764246786).

The spelling of 20523114284 in words is "twenty billion, five hundred twenty-three million, one hundred fourteen thousand, two hundred eighty-four".