20214012 has 96 divisors (see below), whose sum is σ = 58931712. Its totient is φ = 5250816.

The previous prime is 20214001. The next prime is 20214013. The reversal of 20214012 is 21041202.

It is a super-2 number, since 2×20214012² = 817212562272288, which contains 22 as substring.

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 (20214013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116758 + ... + 116930.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

Almost surely, 2^20214012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20214012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29465856).

20214012 is an abundant number, since it is smaller than the sum of its proper divisors (38717700).

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

20214012 is a wasteful number, since it uses less digits than its factorization.

20214012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20214012 is about 4495.9995551601. Note that the first 3 decimals coincide. The cubic root of 20214012 is about 272.4065251876.

Adding to 20214012 its reverse (21041202), we get a palindrome (41255214).

The spelling of 20214012 in words is "twenty million, two hundred fourteen thousand, twelve".