20023123020220 has 24 divisors (see below), whose sum is σ = 42420669483024. Its totient is φ = 7938370895616.

The previous prime is 20023123020211. The next prime is 20023123020337. The reversal of 20023123020220 is 2202032132002.

It is a super-3 number, since 3×20023123020220³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 4429892214 + ... + 4429896733.

It is an arithmetic number, because the mean of its divisors is an integer number (1767527895126).

Almost surely, 2^{20023123020220} is an apocalyptic number.

20023123020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023123020220 is an abundant number, since it is smaller than the sum of its proper divisors (22397546462804).

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

20023123020220 is a wasteful number, since it uses less digits than its factorization.

20023123020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859789069 (or 8859789067 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20023123020220 its reverse (2202032132002), we get a palindrome (22225155152222).

The spelling of 20023123020220 in words is "twenty trillion, twenty-three billion, one hundred twenty-three million, twenty thousand, two hundred twenty".