20070650 has 48 divisors (see below), whose sum is σ = 40428960. Its totient is φ = 7387200.

The previous prime is 20070601. The next prime is 20070691. The reversal of 20070650 is 5607002.

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 23 ways as a sum of consecutive naturals, for example, 34865 + ... + 35435.

It is an arithmetic number, because the mean of its divisors is an integer number (842270).

Almost surely, 2^20070650 is an apocalyptic number.

20070650 is an abundant number, since it is smaller than the sum of its proper divisors (20358310).

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

20070650 is a wasteful number, since it uses less digits than its factorization.

20070650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20070650 is about 4480.0279016988. The cubic root of 20070650 is about 271.7610087150.

Adding to 20070650 its reverse (5607002), we get a palindrome (25677652).

The spelling of 20070650 in words is "twenty million, seventy thousand, six hundred fifty".