20420300304200 has 96 divisors (see below), whose sum is σ = 47541016108800. Its totient is φ = 8157144341760.

The previous prime is 20420300304109. The next prime is 20420300304211. The reversal of 20420300304200 is 240300302402.

It is a super-2 number, since 2×20420300304200² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1664375666 + ... + 1664387934.

It is an arithmetic number, because the mean of its divisors is an integer number (495218917800).

Almost surely, 2^{20420300304200} is an apocalyptic number.

20420300304200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20420300304200 is an abundant number, since it is smaller than the sum of its proper divisors (27120715804600).

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

20420300304200 is a wasteful number, since it uses less digits than its factorization.

20420300304200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22791 (or 22782 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20420300304200 its reverse (240300302402), we get a palindrome (20660600606602).

The spelling of 20420300304200 in words is "twenty trillion, four hundred twenty billion, three hundred million, three hundred four thousand, two hundred".