10520019 has 12 divisors (see below), whose sum is σ = 15298192. Its totient is φ = 6966000.

The previous prime is 10520017. The next prime is 10520033. The reversal of 10520019 is 91002501.

It is not a de Polignac number, because 10520019 - 2¹ = 10520017 is a prime.

It is a super-2 number, since 2×10520019² = 221341599520722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10519983 and 10520010.

It is not an unprimeable number, because it can be changed into a prime (10520017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2512 + ... + 5229.

Almost surely, 2^10520019 is an apocalyptic number.

10520019 is a deficient number, since it is larger than the sum of its proper divisors (4778173).

10520019 is a wasteful number, since it uses less digits than its factorization.

10520019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 10520019 is about 3243.4578770195. The cubic root of 10520019 is about 219.1150330800.

The spelling of 10520019 in words is "ten million, five hundred twenty thousand, nineteen".