101020302 has 48 divisors (see below), whose sum is σ = 233376000. Its totient is φ = 31488912.

The previous prime is 101020277. The next prime is 101020303. The reversal of 101020302 is 203020101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020303) 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, 25149 + ... + 28887.

It is an arithmetic number, because the mean of its divisors is an integer number (4862000).

Almost surely, 2^101020302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101020302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116688000).

101020302 is an abundant number, since it is smaller than the sum of its proper divisors (132355698).

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

101020302 is a wasteful number, since it uses less digits than its factorization.

101020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845 (or 3842 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 101020302 is about 10050.8856326196. The cubic root of 101020302 is about 465.7321521905.

Adding to 101020302 its reverse (203020101), we get a palindrome (304040403).

It can be divided in two parts, 1010 and 20302, that added together give a palindrome (21312).

The spelling of 101020302 in words is "one hundred one million, twenty thousand, three hundred two".