20213233002100 has 72 divisors (see below), whose sum is σ = 43925876610840. Its totient is φ = 8073657016320.

The previous prime is 20213233001989. The next prime is 20213233002133. The reversal of 20213233002100 is 120033231202.

It can be written as a sum of positive squares in 12 ways, for example, as 13721112456804 + 6492120545296 = 3704202^2 + 2547964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265377222 + ... + 265453378.

It is an arithmetic number, because the mean of its divisors is an integer number (610081619595).

Almost surely, 2^{20213233002100} is an apocalyptic number.

20213233002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213233002100 is an abundant number, since it is smaller than the sum of its proper divisors (23712643608740).

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

20213233002100 is a wasteful number, since it uses less digits than its factorization.

20213233002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79957 (or 79950 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20213233002100 its reverse (120033231202), we get a palindrome (20333266233302).

The spelling of 20213233002100 in words is "twenty trillion, two hundred thirteen billion, two hundred thirty-three million, two thousand, one hundred".