20123023002020 has 12 divisors (see below), whose sum is σ = 42258348304284. Its totient is φ = 8049209200800.

The previous prime is 20123023002011. The next prime is 20123023002073. The reversal of 20123023002020 is 2020032032102.

It can be written as a sum of positive squares in 2 ways, for example, as 6963729876544 + 13159293125476 = 2638888^2 + 3627574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20123023002020.

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, 503075575031 + ... + 503075575070.

It is an arithmetic number, because the mean of its divisors is an integer number (3521529025357).

Almost surely, 2^{20123023002020} is an apocalyptic number.

20123023002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123023002020 is an abundant number, since it is smaller than the sum of its proper divisors (22135325302264).

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

20123023002020 is a wasteful number, since it uses less digits than its factorization.

20123023002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006151150110 (or 1006151150108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20123023002020 its reverse (2020032032102), we get a palindrome (22143055034122).

The spelling of 20123023002020 in words is "twenty trillion, one hundred twenty-three billion, twenty-three million, two thousand, twenty".