25324200321420 has 576 divisors, whose sum is σ = 96030848664576. Its totient is φ = 4842018754560.

The previous prime is 25324200321389. The next prime is 25324200321421. The reversal of 25324200321420 is 2412300242352.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25324200321421) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 247456102 + ... + 247558418.

It is an arithmetic number, because the mean of its divisors is an integer number (166720223376).

Almost surely, 2^{25324200321420} is an apocalyptic number.

25324200321420 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 25324200321420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48015424332288).

25324200321420 is an abundant number, since it is smaller than the sum of its proper divisors (70706648343156).

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

25324200321420 is a wasteful number, since it uses less digits than its factorization.

25324200321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102690 (or 102675 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 25324200321420 its reverse (2412300242352), we get a palindrome (27736500563772).

The spelling of 25324200321420 in words is "twenty-five trillion, three hundred twenty-four billion, two hundred million, three hundred twenty-one thousand, four hundred twenty".