10158220809 has 24 divisors (see below), whose sum is σ = 16162316352. Its totient is φ = 6096719520.

The previous prime is 10158220777. The next prime is 10158220837. The reversal of 10158220809 is 90802285101.

It is not a de Polignac number, because 10158220809 - 2⁵ = 10158220777 is a prime.

It is a super-2 number, since 2×10158220809² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10158220889) 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, 487902 + ... + 508295.

It is an arithmetic number, because the mean of its divisors is an integer number (673429848).

Almost surely, 2^10158220809 is an apocalyptic number.

It is an amenable number.

10158220809 is a deficient number, since it is larger than the sum of its proper divisors (6004095543).

10158220809 is a wasteful number, since it uses less digits than its factorization.

10158220809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996317 (or 996314 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 10158220809 in words is "ten billion, one hundred fifty-eight million, two hundred twenty thousand, eight hundred nine".