20042422401029 has 16 divisors (see below), whose sum is σ = 23158005745920. Its totient is φ = 16990927718400.

The previous prime is 20042422400969. The next prime is 20042422401049. The reversal of 20042422401029 is 92010422424002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20042422401029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20042422400986 and 20042422401004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042422401049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41158844 + ... + 41642949.

It is an arithmetic number, because the mean of its divisors is an integer number (1447375359120).

Almost surely, 2^{20042422401029} is an apocalyptic number.

It is an amenable number.

20042422401029 is a deficient number, since it is larger than the sum of its proper divisors (3115583344891).

20042422401029 is a wasteful number, since it uses less digits than its factorization.

20042422401029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82802180.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 20042422401029 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred one thousand, twenty-nine".