20004751325 has 24 divisors (see below), whose sum is σ = 27335312928. Its totient is φ = 14429177280.

The previous prime is 20004751321. The next prime is 20004751339. The reversal of 20004751325 is 52315740002.

It is a happy number.

It is not a de Polignac number, because 20004751325 - 2² = 20004751321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004751321) 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, 701759 + ... + 729708.

It is an arithmetic number, because the mean of its divisors is an integer number (1138971372).

Almost surely, 2^20004751325 is an apocalyptic number.

20004751325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20004751325 is a deficient number, since it is larger than the sum of its proper divisors (7330561603).

20004751325 is a wasteful number, since it uses less digits than its factorization.

20004751325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431533 (or 1431528 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 20004751325 in words is "twenty billion, four million, seven hundred fifty-one thousand, three hundred twenty-five".