20122452530 has 16 divisors (see below), whose sum is σ = 36222306624. Its totient is φ = 8048560560.

The previous prime is 20122452487. The next prime is 20122452599. The reversal of 20122452530 is 3525422102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122452530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211739 + ... + 291681.

It is an arithmetic number, because the mean of its divisors is an integer number (2263894164).

Almost surely, 2^20122452530 is an apocalyptic number.

20122452530 is a deficient number, since it is larger than the sum of its proper divisors (16099854094).

20122452530 is a wasteful number, since it uses less digits than its factorization.

20122452530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105121.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20122452530 its reverse (3525422102), we get a palindrome (23647874632).

It can be divided in two parts, 2012 and 2452530, that added together give a palindrome (2454542).

The spelling of 20122452530 in words is "twenty billion, one hundred twenty-two million, four hundred fifty-two thousand, five hundred thirty".