20101206226 has 16 divisors (see below), whose sum is σ = 31018987584. Its totient is φ = 9765226224.

The previous prime is 20101206211. The next prime is 20101206263. The reversal of 20101206226 is 62260210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101206197 and 20101206206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909636 + ... + 931471.

It is an arithmetic number, because the mean of its divisors is an integer number (1938686724).

Almost surely, 2^20101206226 is an apocalyptic number.

20101206226 is a deficient number, since it is larger than the sum of its proper divisors (10917781358).

20101206226 is a wasteful number, since it uses less digits than its factorization.

20101206226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841265.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20101206226 its reverse (62260210102), we get a palindrome (82361416328).

The spelling of 20101206226 in words is "twenty billion, one hundred one million, two hundred six thousand, two hundred twenty-six".