20088042426420 has 96 divisors (see below), whose sum is σ = 57060871096320. Its totient is φ = 5279312545920.

The previous prime is 20088042426391. The next prime is 20088042426421. The reversal of 20088042426420 is 2462424088002.

It is a super-2 number, since 2×20088042426420² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088042426421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10072329 + ... + 11900751.

It is an arithmetic number, because the mean of its divisors is an integer number (594384073920).

Almost surely, 2^{20088042426420} is an apocalyptic number.

20088042426420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20088042426420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28530435548160).

20088042426420 is an abundant number, since it is smaller than the sum of its proper divisors (36972828669900).

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

20088042426420 is a wasteful number, since it uses less digits than its factorization.

20088042426420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831085 (or 1831083 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 42.

The spelling of 20088042426420 in words is "twenty trillion, eighty-eight billion, forty-two million, four hundred twenty-six thousand, four hundred twenty".