20131226026 has 8 divisors (see below), whose sum is σ = 30839325120. Its totient is φ = 9851450988.

The previous prime is 20131225967. The next prime is 20131226029. The reversal of 20131226026 is 62062213102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20131226026² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20131226029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107080896 + ... + 107081083.

It is an arithmetic number, because the mean of its divisors is an integer number (3854915640).

Almost surely, 2^20131226026 is an apocalyptic number.

20131226026 is a deficient number, since it is larger than the sum of its proper divisors (10708099094).

20131226026 is a wasteful number, since it uses less digits than its factorization.

20131226026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214162028.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20131226026 its reverse (62062213102), we get a palindrome (82193439128).

The spelling of 20131226026 in words is "twenty billion, one hundred thirty-one million, two hundred twenty-six thousand, twenty-six".