226253015020 has 96 divisors (see below), whose sum is σ = 500668330176. Its totient is φ = 85798502400.

The previous prime is 226253015003. The next prime is 226253015029. The reversal of 226253015020 is 20510352622.

It is a self number, because there is not a number n which added to its sum of digits gives 226253015020.

It is not an unprimeable number, because it can be changed into a prime (226253015029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4124412 + ... + 4178908.

It is an arithmetic number, because the mean of its divisors is an integer number (5215295106).

Almost surely, 2^226253015020 is an apocalyptic number.

226253015020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226253015020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250334165088).

226253015020 is an abundant number, since it is smaller than the sum of its proper divisors (274415315156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226253015020 is a wasteful number, since it uses less digits than its factorization.

226253015020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54691 (or 54689 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 226253015020 its reverse (20510352622), we get a palindrome (246763367642).

The spelling of 226253015020 in words is "two hundred twenty-six billion, two hundred fifty-three million, fifteen thousand, twenty".