20550702 has 8 divisors (see below), whose sum is σ = 41101416. Its totient is φ = 6850232.

The previous prime is 20550701. The next prime is 20550713. The reversal of 20550702 is 20705502.

It is a sphenic number, since it is the product of 3 distinct primes.

20550702 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712553 + ... + 1712564.

It is an arithmetic number, because the mean of its divisors is an integer number (5137677).

Almost surely, 2^20550702 is an apocalyptic number.

20550702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20550702 is a wasteful number, since it uses less digits than its factorization.

20550702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425122.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 20550702 is about 4533.2882105597. The cubic root of 20550702 is about 273.9106302744.

The spelling of 20550702 in words is "twenty million, five hundred fifty thousand, seven hundred two".