20000011200420 has 24 divisors (see below), whose sum is σ = 56000031361344. Its totient is φ = 5333336320096.

The previous prime is 20000011200401. The next prime is 20000011200467. The reversal of 20000011200420 is 2400211000002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20000011200396 and 20000011200405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166666759944 + ... + 166666760063.

It is an arithmetic number, because the mean of its divisors is an integer number (2333334640056).

Almost surely, 2^{20000011200420} is an apocalyptic number.

20000011200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000011200420 is an abundant number, since it is smaller than the sum of its proper divisors (36000020160924).

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

20000011200420 is a wasteful number, since it uses less digits than its factorization.

20000011200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333333520019 (or 333333520017 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000011200420 its reverse (2400211000002), we get a palindrome (22400222200422).

The spelling of 20000011200420 in words is "twenty trillion, eleven million, two hundred thousand, four hundred twenty".