9920525254 has 8 divisors (see below), whose sum is σ = 14900604768. Its totient is φ = 4953657000.

The previous prime is 9920525249. The next prime is 9920525269. The reversal of 9920525254 is 4525250299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9920525254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300937 + ... + 3303940.

It is an arithmetic number, because the mean of its divisors is an integer number (1862575596).

Almost surely, 2^9920525254 is an apocalyptic number.

9920525254 is a deficient number, since it is larger than the sum of its proper divisors (4980079514).

9920525254 is a wasteful number, since it uses less digits than its factorization.

9920525254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605630.

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 9920525254 is about 99601.8335875399. The cubic root of 9920525254 is about 2148.7120646852.

The spelling of 9920525254 in words is "nine billion, nine hundred twenty million, five hundred twenty-five thousand, two hundred fifty-four".