20425361300 has 72 divisors (see below), whose sum is σ = 45013207512. Its totient is φ = 8043840000.

The previous prime is 20425361273. The next prime is 20425361309. The reversal of 20425361300 is 316352402.

It can be written as a sum of positive squares in 12 ways, for example, as 6466411396 + 13958949904 = 80414^2 + 118148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20425361300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425361309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1822514 + ... + 1833686.

Almost surely, 2^20425361300 is an apocalyptic number.

20425361300 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 20425361300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22506603756).

20425361300 is an abundant number, since it is smaller than the sum of its proper divisors (24587846212).

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

20425361300 is a wasteful number, since it uses less digits than its factorization.

20425361300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469 (or 11462 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 20425361300 in words is "twenty billion, four hundred twenty-five million, three hundred sixty-one thousand, three hundred".