20214020 has 24 divisors (see below), whose sum is σ = 44947224. Its totient is φ = 7609856.

The previous prime is 20214017. The next prime is 20214023. The reversal of 20214020 is 2041202.

It is an interprime number because it is at equal distance from previous prime (20214017) and next prime (20214023).

It can be written as a sum of positive squares in 4 ways, for example, as 7268416 + 12945604 = 2696^2 + 3598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20213992 and 20214010.

It is not an unprimeable number, because it can be changed into a prime (20214023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29387 + ... + 30066.

It is an arithmetic number, because the mean of its divisors is an integer number (1872801).

Almost surely, 2^20214020 is an apocalyptic number.

20214020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20214020 is an abundant number, since it is smaller than the sum of its proper divisors (24733204).

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

20214020 is a wasteful number, since it uses less digits than its factorization.

20214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59479 (or 59477 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20214020 is about 4496.0004448398. Note that the first 3 decimals coincide. The cubic root of 20214020 is about 272.4065611239.

Adding to 20214020 its reverse (2041202), we get a palindrome (22255222).

The spelling of 20214020 in words is "twenty million, two hundred fourteen thousand, twenty".