20223121241500 has 48 divisors (see below), whose sum is σ = 44376620704416. Its totient is φ = 8050910784000.

The previous prime is 20223121241473. The next prime is 20223121241501. The reversal of 20223121241500 is 514212132202.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223121241501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95738677 + ... + 95949676.

It is an arithmetic number, because the mean of its divisors is an integer number (924512931342).

Almost surely, 2^{20223121241500} is an apocalyptic number.

20223121241500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223121241500 is an abundant number, since it is smaller than the sum of its proper divisors (24153499462916).

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

20223121241500 is a wasteful number, since it uses less digits than its factorization.

20223121241500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191688583 (or 191688571 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20223121241500 its reverse (514212132202), we get a palindrome (20737333373702).

The spelling of 20223121241500 in words is "twenty trillion, two hundred twenty-three billion, one hundred twenty-one million, two hundred forty-one thousand, five hundred".