20211201300 has 144 divisors (see below), whose sum is σ = 59457013952. Its totient is φ = 5300121600.

The previous prime is 20211201299. The next prime is 20211201301. The reversal of 20211201300 is 310211202.

It is an interprime number because it is at equal distance from previous prime (20211201299) and next prime (20211201301).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211201301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4741170 + ... + 4745430.

Almost surely, 2^20211201300 is an apocalyptic number.

20211201300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20211201300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29728506976).

20211201300 is an abundant number, since it is smaller than the sum of its proper divisors (39245812652).

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

20211201300 is a wasteful number, since it uses less digits than its factorization.

20211201300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20211201300 its reverse (310211202), we get a palindrome (20521412502).

The spelling of 20211201300 in words is "twenty billion, two hundred eleven million, two hundred one thousand, three hundred".