20132620 has 24 divisors (see below), whose sum is σ = 42439824. Its totient is φ = 8022336.

The previous prime is 20132617. The next prime is 20132639. The reversal of 20132620 is 2623102.

It is a junction number, because it is equal to n+sod(n) for n = 20132594 and 20132603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3882 + ... + 7438.

It is an arithmetic number, because the mean of its divisors is an integer number (1768326).

Almost surely, 2^20132620 is an apocalyptic number.

20132620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132620 is an abundant number, since it is smaller than the sum of its proper divisors (22307204).

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

20132620 is a wasteful number, since it uses less digits than its factorization.

20132620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3847 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20132620 is about 4486.9388228502. The cubic root of 20132620 is about 272.0404171486.

Adding to 20132620 its reverse (2623102), we get a palindrome (22755722).

The spelling of 20132620 in words is "twenty million, one hundred thirty-two thousand, six hundred twenty".