20212110384 has 160 divisors (see below), whose sum is σ = 55415453184. Its totient is φ = 6335324160.

The previous prime is 20212110383. The next prime is 20212110419. The reversal of 20212110384 is 48301121202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20212110383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18525679 + ... + 18526769.

Almost surely, 2^20212110384 is an apocalyptic number.

20212110384 is a gapful number since it is divisible by the number (24) 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 20212110384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27707726592).

20212110384 is an abundant number, since it is smaller than the sum of its proper divisors (35203342800).

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

20212110384 is a wasteful number, since it uses less digits than its factorization.

20212110384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 20212110384 its reverse (48301121202), we get a palindrome (68513231586).

The spelling of 20212110384 in words is "twenty billion, two hundred twelve million, one hundred ten thousand, three hundred eighty-four".