20420330000 has 200 divisors, whose sum is σ = 56972163072. Its totient is φ = 6943104000.

The previous prime is 20420329999. The next prime is 20420330039. The reversal of 20420330000 is 3302402.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8888852 + ... + 8891148.

Almost surely, 2^20420330000 is an apocalyptic number.

20420330000 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 20420330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28486081536).

20420330000 is an abundant number, since it is smaller than the sum of its proper divisors (36551833072).

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

20420330000 is a wasteful number, since it uses less digits than its factorization.

20420330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20420330000 its reverse (3302402), we get a palindrome (20423632402).

The spelling of 20420330000 in words is "twenty billion, four hundred twenty million, three hundred thirty thousand".