20221231333300 has 36 divisors (see below), whose sum is σ = 43886143567980. Its totient is φ = 8087373349120.

The previous prime is 20221231333267. The next prime is 20221231333313. The reversal of 20221231333300 is 333313212202.

It can be written as a sum of positive squares in 6 ways, for example, as 920076150436 + 19301155182864 = 959206^2 + 4393308^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13263289 + ... + 14709088.

It is an arithmetic number, because the mean of its divisors is an integer number (1219059543555).

Almost surely, 2^{20221231333300} is an apocalyptic number.

20221231333300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221231333300 is an abundant number, since it is smaller than the sum of its proper divisors (23664912234680).

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

20221231333300 is a wasteful number, since it uses less digits than its factorization.

20221231333300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27979620 (or 27979613 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20221231333300 its reverse (333313212202), we get a palindrome (20554544545502).

The spelling of 20221231333300 in words is "twenty trillion, two hundred twenty-one billion, two hundred thirty-one million, three hundred thirty-three thousand, three hundred".