20067700 has 36 divisors (see below), whose sum is σ = 44159500. Its totient is φ = 7914240.

The previous prime is 20067679. The next prime is 20067709. The reversal of 20067700 is 776002.

It can be written as a sum of positive squares in 6 ways, for example, as 2039184 + 18028516 = 1428^2 + 4246^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5926 + ... + 8674.

Almost surely, 2^20067700 is an apocalyptic number.

20067700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20067700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22079750).

20067700 is an abundant number, since it is smaller than the sum of its proper divisors (24091800).

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

20067700 is a wasteful number, since it uses less digits than its factorization.

20067700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 20067700 is about 4479.6986505791. The cubic root of 20067700 is about 271.7476935133.

The spelling of 20067700 in words is "twenty million, sixty-seven thousand, seven hundred".