2022521420 has 24 divisors (see below), whose sum is σ = 4248348048. Its totient is φ = 808808000.

The previous prime is 2022521419. The next prime is 2022521447. The reversal of 2022521420 is 241252202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2022521392 and 2022521401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91010 + ... + 111030.

It is an arithmetic number, because the mean of its divisors is an integer number (177014502).

Almost surely, 2^2022521420 is an apocalyptic number.

2022521420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022521420 is an abundant number, since it is smaller than the sum of its proper divisors (2225826628).

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

2022521420 is a wasteful number, since it uses less digits than its factorization.

2022521420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25081 (or 25079 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2022521420 is about 44972.4517899569. The cubic root of 2022521420 is about 1264.6326105849.

Adding to 2022521420 its reverse (241252202), we get a palindrome (2263773622).

The spelling of 2022521420 in words is "two billion, twenty-two million, five hundred twenty-one thousand, four hundred twenty".