20302142020 has 12 divisors (see below), whose sum is σ = 42634498284. Its totient is φ = 8120856800.

The previous prime is 20302142011. The next prime is 20302142041. The reversal of 20302142020 is 2024120302.

It can be written as a sum of positive squares in 2 ways, for example, as 2857543936 + 17444598084 = 53456^2 + 132078^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20302141985 and 20302142003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507553531 + ... + 507553570.

It is an arithmetic number, because the mean of its divisors is an integer number (3552874857).

Almost surely, 2^20302142020 is an apocalyptic number.

20302142020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302142020 is an abundant number, since it is smaller than the sum of its proper divisors (22332356264).

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

20302142020 is a wasteful number, since it uses less digits than its factorization.

20302142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015107110 (or 1015107108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20302142020 its reverse (2024120302), we get a palindrome (22326262322).

The spelling of 20302142020 in words is "twenty billion, three hundred two million, one hundred forty-two thousand, twenty".