20673702 has 48 divisors (see below), whose sum is σ = 52296192. Its totient is φ = 5779440.

The previous prime is 20673701. The next prime is 20673769. The reversal of 20673702 is 20737602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20673701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4177 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (1089504).

Almost surely, 2^20673702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20673702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26148096).

20673702 is an abundant number, since it is smaller than the sum of its proper divisors (31622490).

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

20673702 is a wasteful number, since it uses less digits than its factorization.

20673702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20673702 is about 4546.8342833228. The cubic root of 20673702 is about 274.4560133366.

The spelling of 20673702 in words is "twenty million, six hundred seventy-three thousand, seven hundred two".