20420414 has 8 divisors (see below), whose sum is σ = 35006448. Its totient is φ = 8751600.

The previous prime is 20420377. The next prime is 20420443. The reversal of 20420414 is 41402402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20420392 and 20420401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729287 + ... + 729314.

It is an arithmetic number, because the mean of its divisors is an integer number (4375806).

Almost surely, 2^20420414 is an apocalyptic number.

20420414 is a deficient number, since it is larger than the sum of its proper divisors (14586034).

20420414 is a wasteful number, since it uses less digits than its factorization.

20420414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458610.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 20420414 is about 4518.8952189667. The cubic root of 20420414 is about 273.3305535443.

Adding to 20420414 its reverse (41402402), we get a palindrome (61822816).

It can be divided in two parts, 2042041 and 4, that multiplied together give a square (8168164 = 2858²).

The spelling of 20420414 in words is "twenty million, four hundred twenty thousand, four hundred fourteen".