20122042430 has 64 divisors (see below), whose sum is σ = 43399093248. Its totient is φ = 6567644160.

The previous prime is 20122042427. The next prime is 20122042463. The reversal of 20122042430 is 3424022102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310094 + ... + 369326.

It is an arithmetic number, because the mean of its divisors is an integer number (678110832).

Almost surely, 2^20122042430 is an apocalyptic number.

20122042430 is an abundant number, since it is smaller than the sum of its proper divisors (23277050818).

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

20122042430 is a wasteful number, since it uses less digits than its factorization.

20122042430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59481.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20122042430 its reverse (3424022102), we get a palindrome (23546064532).

The spelling of 20122042430 in words is "twenty billion, one hundred twenty-two million, forty-two thousand, four hundred thirty".