20401114212 has 36 divisors (see below), whose sum is σ = 51592719360. Its totient is φ = 6797307312.

The previous prime is 20401114193. The next prime is 20401114243. The reversal of 20401114212 is 21241110402.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20401114212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 45948 + ... + 207155.

Almost surely, 2^20401114212 is an apocalyptic number.

It is an amenable number.

20401114212 is an abundant number, since it is smaller than the sum of its proper divisors (31191605148).

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

20401114212 is a wasteful number, since it uses less digits than its factorization.

20401114212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255352 (or 255347 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20401114212 its reverse (21241110402), we get a palindrome (41642224614).

The spelling of 20401114212 in words is "twenty billion, four hundred one million, one hundred fourteen thousand, two hundred twelve".