20213421112 has 64 divisors (see below), whose sum is σ = 39347804160. Its totient is φ = 9729283200.

The previous prime is 20213421101. The next prime is 20213421143. The reversal of 20213421112 is 21112431202.

It is a self number, because there is not a number n which added to its sum of digits gives 20213421112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6711687 + ... + 6714697.

It is an arithmetic number, because the mean of its divisors is an integer number (614809440).

Almost surely, 2^20213421112 is an apocalyptic number.

It is an amenable number.

20213421112 is a deficient number, since it is larger than the sum of its proper divisors (19134383048).

20213421112 is a wasteful number, since it uses less digits than its factorization.

20213421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20213421112 its reverse (21112431202), we get a palindrome (41325852314).

The spelling of 20213421112 in words is "twenty billion, two hundred thirteen million, four hundred twenty-one thousand, one hundred twelve".