20224880280 has 448 divisors, whose sum is σ = 78829783200. Its totient is φ = 4613345280.

The previous prime is 20224880267. The next prime is 20224880281. The reversal of 20224880280 is 8208842202.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224880281) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5451066 + ... + 5454774.

Almost surely, 2^20224880280 is an apocalyptic number.

20224880280 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 20224880280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39414891600).

20224880280 is an abundant number, since it is smaller than the sum of its proper divisors (58604902920).

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

20224880280 is a wasteful number, since it uses less digits than its factorization.

20224880280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766 (or 3747 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The spelling of 20224880280 in words is "twenty billion, two hundred twenty-four million, eight hundred eighty thousand, two hundred eighty".