20042015420000 has 480 divisors, whose sum is σ = 59534086993920. Its totient is φ = 6493374720000.

The previous prime is 20042015419997. The next prime is 20042015420033. The reversal of 20042015420000 is 2451024002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 190767485 + ... + 190872515.

It is an arithmetic number, because the mean of its divisors is an integer number (124029347904).

Almost surely, 2^{20042015420000} is an apocalyptic number.

20042015420000 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 20042015420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29767043496960).

20042015420000 is an abundant number, since it is smaller than the sum of its proper divisors (39492071573920).

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

20042015420000 is a wasteful number, since it uses less digits than its factorization.

20042015420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105144 (or 105121 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20042015420000 its reverse (2451024002), we get a palindrome (20044466444002).

The spelling of 20042015420000 in words is "twenty trillion, forty-two billion, fifteen million, four hundred twenty thousand".