20362842020 has 12 divisors (see below), whose sum is σ = 42761968284. Its totient is φ = 8145136800.

The previous prime is 20362841977. The next prime is 20362842037. The reversal of 20362842020 is 2024826302.

It can be written as a sum of positive squares in 2 ways, for example, as 12965465956 + 7397376064 = 113866^2 + 86008^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 509071031 + ... + 509071070.

It is an arithmetic number, because the mean of its divisors is an integer number (3563497357).

Almost surely, 2^20362842020 is an apocalyptic number.

20362842020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20362842020 is an abundant number, since it is smaller than the sum of its proper divisors (22399126264).

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

20362842020 is a wasteful number, since it uses less digits than its factorization.

20362842020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018142110 (or 1018142108 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 20362842020 in words is "twenty billion, three hundred sixty-two million, eight hundred forty-two thousand, twenty".