10420808025 has 24 divisors (see below), whose sum is σ = 17324280064. Its totient is φ = 5527051200.

The previous prime is 10420808011. The next prime is 10420808081. The reversal of 10420808025 is 52080802401.

It is not a de Polignac number, because 10420808025 - 2²¹ = 10418710873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10420807983 and 10420808001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370249 + ... + 397398.

Almost surely, 2^10420808025 is an apocalyptic number.

10420808025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10420808025 is a deficient number, since it is larger than the sum of its proper divisors (6903472039).

10420808025 is a wasteful number, since it uses less digits than its factorization.

10420808025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767841 (or 767836 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 10420808025 in words is "ten billion, four hundred twenty million, eight hundred eight thousand, twenty-five".