20022452020 has 48 divisors (see below), whose sum is σ = 43785302400. Its totient is φ = 7681564800.

The previous prime is 20022452003. The next prime is 20022452029. The reversal of 20022452020 is 2025422002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022452029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26730 + ... + 201889.

It is an arithmetic number, because the mean of its divisors is an integer number (912193800).

Almost surely, 2^20022452020 is an apocalyptic number.

20022452020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022452020 is an abundant number, since it is smaller than the sum of its proper divisors (23762850380).

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

20022452020 is a wasteful number, since it uses less digits than its factorization.

20022452020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228808 (or 228806 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 20022452020 its reverse (2025422002), we get a palindrome (22047874022).

The spelling of 20022452020 in words is "twenty billion, twenty-two million, four hundred fifty-two thousand, twenty".