25202501320 has 32 divisors (see below), whose sum is σ = 56710627200. Its totient is φ = 10080111808.

The previous prime is 25202501293. The next prime is 25202501333. The reversal of 25202501320 is 2310520252.

It is a junction number, because it is equal to n+sod(n) for n = 25202501291 and 25202501300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615651 + ... + 655309.

It is an arithmetic number, because the mean of its divisors is an integer number (1772207100).

Almost surely, 2^25202501320 is an apocalyptic number.

25202501320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25202501320 is an abundant number, since it is smaller than the sum of its proper divisors (31508125880).

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

25202501320 is a wasteful number, since it uses less digits than its factorization.

25202501320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55557 (or 55553 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 25202501320 in words is "twenty-five billion, two hundred two million, five hundred one thousand, three hundred twenty".