20341420 has 24 divisors (see below), whose sum is σ = 46600848. Its totient is φ = 7396800.

The previous prime is 20341417. The next prime is 20341423. The reversal of 20341420 is 2414302.

It is an interprime number because it is at equal distance from previous prime (20341417) and next prime (20341423).

It is a junction number, because it is equal to n+sod(n) for n = 20341394 and 20341403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341423) 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, 46011 + ... + 46450.

It is an arithmetic number, because the mean of its divisors is an integer number (1941702).

Almost surely, 2^20341420 is an apocalyptic number.

20341420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341420 is an abundant number, since it is smaller than the sum of its proper divisors (26259428).

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

20341420 is a wasteful number, since it uses less digits than its factorization.

20341420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92481 (or 92479 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20341420 is about 4510.1463390892. The cubic root of 20341420 is about 272.9776489280.

Adding to 20341420 its reverse (2414302), we get a palindrome (22755722).

The spelling of 20341420 in words is "twenty million, three hundred forty-one thousand, four hundred twenty".