20852223020 has 24 divisors (see below), whose sum is σ = 43828918224. Its totient is φ = 8333413056.

The previous prime is 20852222977. The next prime is 20852223059. The reversal of 20852223020 is 2032225802.

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, 444362 + ... + 489041.

It is an arithmetic number, because the mean of its divisors is an integer number (1826204926).

Almost surely, 2^20852223020 is an apocalyptic number.

20852223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20852223020 is an abundant number, since it is smaller than the sum of its proper divisors (22976695204).

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

20852223020 is a wasteful number, since it uses less digits than its factorization.

20852223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934529 (or 934527 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20852223020 its reverse (2032225802), we get a palindrome (22884448822).

The spelling of 20852223020 in words is "twenty billion, eight hundred fifty-two million, two hundred twenty-three thousand, twenty".