20282620 has 12 divisors (see below), whose sum is σ = 42593544. Its totient is φ = 8113040.

The previous prime is 20282609. The next prime is 20282653. The reversal of 20282620 is 2628202.

It is a super-2 number, since 2×20282620² = 822769348128800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20282591 and 20282600.

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, 507046 + ... + 507085.

It is an arithmetic number, because the mean of its divisors is an integer number (3549462).

Almost surely, 2^20282620 is an apocalyptic number.

20282620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20282620 is an abundant number, since it is smaller than the sum of its proper divisors (22310924).

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

20282620 is a wasteful number, since it uses less digits than its factorization.

20282620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014140 (or 1014138 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20282620 is about 4503.6229859969. The cubic root of 20282620 is about 272.7143671334.

It can be divided in two parts, 20282 and 620, that added together give a palindrome (20902).

The spelling of 20282620 in words is "twenty million, two hundred eighty-two thousand, six hundred twenty".