20207260 has 48 divisors (see below), whose sum is σ = 45793440. Its totient is φ = 7464960.

The previous prime is 20207251. The next prime is 20207269. The reversal of 20207260 is 6270202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20207251) and next prime (20207269).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20207269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14932 + ... + 16228.

It is an arithmetic number, because the mean of its divisors is an integer number (954030).

Almost surely, 2^20207260 is an apocalyptic number.

20207260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20207260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22896720).

20207260 is an abundant number, since it is smaller than the sum of its proper divisors (25586180).

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

20207260 is a wasteful number, since it uses less digits than its factorization.

20207260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20207260 is about 4495.2486026915. The cubic root of 20207260 is about 272.3761915476.

Adding to 20207260 its reverse (6270202), we get a palindrome (26477462).

The spelling of 20207260 in words is "twenty million, two hundred seven thousand, two hundred sixty".