20760620 has 24 divisors (see below), whose sum is σ = 44250864. Its totient is φ = 8179776.

The previous prime is 20760601. The next prime is 20760643. The reversal of 20760620 is 2606702.

It is a happy number.

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, 6407 + ... + 9086.

It is an arithmetic number, because the mean of its divisors is an integer number (1843786).

Almost surely, 2^20760620 is an apocalyptic number.

20760620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20760620 is an abundant number, since it is smaller than the sum of its proper divisors (23490244).

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

20760620 is a wasteful number, since it uses less digits than its factorization.

20760620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15569 (or 15567 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20760620 is about 4556.3823368984. The cubic root of 20760620 is about 274.8401053968.

The spelling of 20760620 in words is "twenty million, seven hundred sixty thousand, six hundred twenty".