20002420000 has 60 divisors (see below), whose sum is σ = 49209002766. Its totient is φ = 8000960000.

The previous prime is 20002419967. The next prime is 20002420001. The reversal of 20002420000 is 2420002.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 4440356496 + 15562063504 = 66636^2 + 124748^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20002420001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 480061 + ... + 520060.

Almost surely, 2^20002420000 is an apocalyptic number.

20002420000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002420000 is an abundant number, since it is smaller than the sum of its proper divisors (29206582766).

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

20002420000 is an equidigital number, since it uses as much as digits as its factorization.

20002420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000151 (or 1000128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20002420000 its reverse (2420002), we get a palindrome (20004840002).

The spelling of 20002420000 in words is "twenty billion, two million, four hundred twenty thousand".