20122232208 has 80 divisors (see below), whose sum is σ = 56816738496. Its totient is φ = 6099033600.

The previous prime is 20122232183. The next prime is 20122232209. The reversal of 20122232208 is 80223222102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20122232209) 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, 198843 + ... + 282458.

Almost surely, 2^20122232208 is an apocalyptic number.

It is an amenable number.

20122232208 is an abundant number, since it is smaller than the sum of its proper divisors (36694506288).

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

20122232208 is a wasteful number, since it uses less digits than its factorization.

20122232208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481392 (or 481386 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 20122232208 in words is "twenty billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred eight".