20228103437467 has 4 divisors (see below), whose sum is σ = 20362064387536. Its totient is φ = 20094142487400.

The previous prime is 20228103437461. The next prime is 20228103437489. The reversal of 20228103437467 is 76473430182202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20228103437467 - 2³ = 20228103437459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20228103437467.

It is not an unprimeable number, because it can be changed into a prime (20228103437461) 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, 66980474808 + ... + 66980475109.

It is an arithmetic number, because the mean of its divisors is an integer number (5090516096884).

Almost surely, 2^{20228103437467} is an apocalyptic number.

20228103437467 is a deficient number, since it is larger than the sum of its proper divisors (133960950069).

20228103437467 is a wasteful number, since it uses less digits than its factorization.

20228103437467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133960950068.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 20228103437467 in words is "twenty trillion, two hundred twenty-eight billion, one hundred three million, four hundred thirty-seven thousand, four hundred sixty-seven".