10301020020 has 96 divisors (see below), whose sum is σ = 32086454400. Its totient is φ = 2743610112.

The previous prime is 10301020013. The next prime is 10301020021. The reversal of 10301020020 is 2002010301.

It is a happy number.

It is a super-2 number, since 2×10301020020² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 10301019984 and 10301020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301020021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451651 + ... + 473909.

It is an arithmetic number, because the mean of its divisors is an integer number (334233900).

Almost surely, 2^10301020020 is an apocalyptic number.

10301020020 is a gapful number since it is divisible by the number (10) 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 10301020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16043227200).

10301020020 is an abundant number, since it is smaller than the sum of its proper divisors (21785434380).

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

10301020020 is a wasteful number, since it uses less digits than its factorization.

10301020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23134 (or 23126 counting only the distinct ones).

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

Adding to 10301020020 its reverse (2002010301), we get a palindrome (12303030321).

The spelling of 10301020020 in words is "ten billion, three hundred one million, twenty thousand, twenty".