20100702 has 16 divisors (see below), whose sum is σ = 40324752. Its totient is φ = 6679680.

The previous prime is 20100673. The next prime is 20100709. The reversal of 20100702 is 20700102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949 + ... + 6992.

It is an arithmetic number, because the mean of its divisors is an integer number (2520297).

Almost surely, 2^20100702 is an apocalyptic number.

20100702 is an abundant number, since it is smaller than the sum of its proper divisors (20224050).

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

20100702 is a wasteful number, since it uses less digits than its factorization.

20100702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 20100702 is about 4483.3806441122. The cubic root of 20100702 is about 271.8965779676.

Adding to 20100702 its reverse (20700102), we get a palindrome (40800804).

It can be divided in two parts, 20100 and 702, that added together give a palindrome (20802).

The spelling of 20100702 in words is "twenty million, one hundred thousand, seven hundred two".