20412021200 has 120 divisors (see below), whose sum is σ = 50814604800. Its totient is φ = 7870266880.

The previous prime is 20412021197. The next prime is 20412021251. The reversal of 20412021200 is 212021402.

It is a congruent number.

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, 10009781 + ... + 10011819.

It is an arithmetic number, because the mean of its divisors is an integer number (423455040).

Almost surely, 2^20412021200 is an apocalyptic number.

20412021200 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 20412021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25407302400).

20412021200 is an abundant number, since it is smaller than the sum of its proper divisors (30402583600).

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

20412021200 is a wasteful number, since it uses less digits than its factorization.

20412021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20412021200 its reverse (212021402), we get a palindrome (20624042602).

It can be divided in two parts, 2041202 and 1200, that added together give a palindrome (2042402).

The spelling of 20412021200 in words is "twenty billion, four hundred twelve million, twenty-one thousand, two hundred".