10206261956 has 48 divisors (see below), whose sum is σ = 19809764352. Its totient is φ = 4562052000.

The previous prime is 10206261907. The next prime is 10206261959. The reversal of 10206261956 is 65916260201.

It is a super-2 number, since 2×10206261956² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10206261959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904681 + ... + 1910031.

It is an arithmetic number, because the mean of its divisors is an integer number (412703424).

Almost surely, 2^10206261956 is an apocalyptic number.

It is an amenable number.

10206261956 is a deficient number, since it is larger than the sum of its proper divisors (9603502396).

10206261956 is a wasteful number, since it uses less digits than its factorization.

10206261956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080 (or 6078 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 10206261956 in words is "ten billion, two hundred six million, two hundred sixty-one thousand, nine hundred fifty-six".