20242434128 has 20 divisors (see below), whose sum is σ = 44822532960. Its totient is φ = 8675328864.

The previous prime is 20242434127. The next prime is 20242434131. The reversal of 20242434128 is 82143424202.

It is a super-2 number, since 2×20242434128² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20242434094 and 20242434103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242434127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90367898 + ... + 90368121.

It is an arithmetic number, because the mean of its divisors is an integer number (2241126648).

Almost surely, 2^20242434128 is an apocalyptic number.

20242434128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20242434128 is an abundant number, since it is smaller than the sum of its proper divisors (24580098832).

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

20242434128 is a wasteful number, since it uses less digits than its factorization.

20242434128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180736034 (or 180736028 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 20242434128 in words is "twenty billion, two hundred forty-two million, four hundred thirty-four thousand, one hundred twenty-eight".