20122402043 has 8 divisors (see below), whose sum is σ = 20177362800. Its totient is φ = 20067470208.

The previous prime is 20122402021. The next prime is 20122402063. The reversal of 20122402043 is 34020422102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20122402043 - 2¹⁸ = 20122139899 is a prime.

It is a super-2 number, since 2×20122402043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122402063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703455 + ... + 2710887.

It is an arithmetic number, because the mean of its divisors is an integer number (2522170350).

Almost surely, 2^20122402043 is an apocalyptic number.

20122402043 is a deficient number, since it is larger than the sum of its proper divisors (54960757).

20122402043 is an equidigital number, since it uses as much as digits as its factorization.

20122402043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14461.

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

Adding to 20122402043 its reverse (34020422102), we get a palindrome (54142824145).

The spelling of 20122402043 in words is "twenty billion, one hundred twenty-two million, four hundred two thousand, forty-three".