20062620 has 96 divisors (see below), whose sum is σ = 63685440. Its totient is φ = 5241600.

The previous prime is 20062597. The next prime is 20062657. The reversal of 20062620 is 2626002.

20062620 is a `hidden beast` number, since 20 + 0 + 626 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20062593 and 20062602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28270 + ... + 28970.

It is an arithmetic number, because the mean of its divisors is an integer number (663390).

Almost surely, 2^20062620 is an apocalyptic number.

20062620 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 20062620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31842720).

20062620 is an abundant number, since it is smaller than the sum of its proper divisors (43622820).

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

20062620 is a wasteful number, since it uses less digits than its factorization.

20062620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20062620 is about 4479.1316122659. The cubic root of 20062620 is about 271.7247612260.

Adding to 20062620 its reverse (2626002), we get a palindrome (22688622).

The spelling of 20062620 in words is "twenty million, sixty-two thousand, six hundred twenty".