23243200020020 has 24 divisors (see below), whose sum is σ = 48811864222464. Its totient is φ = 9297062068896.

The previous prime is 23243200019989. The next prime is 23243200020071. The reversal of 23243200020020 is 2002000234232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23243200019974 and 23243200020001.

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, 12745292 + ... + 14454371.

It is an arithmetic number, because the mean of its divisors is an integer number (2033827675936).

Almost surely, 2^{23243200020020} is an apocalyptic number.

23243200020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23243200020020 is an abundant number, since it is smaller than the sum of its proper divisors (25568664202444).

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

23243200020020 is a wasteful number, since it uses less digits than its factorization.

23243200020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27242399 (or 27242397 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23243200020020 its reverse (2002000234232), we get a palindrome (25245200254252).

The spelling of 23243200020020 in words is "twenty-three trillion, two hundred forty-three billion, two hundred million, twenty thousand, twenty".