23130201020 has 96 divisors (see below), whose sum is σ = 51968480256. Its totient is φ = 8617190400.

The previous prime is 23130201007. The next prime is 23130201023. The reversal of 23130201020 is 2010203132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23130200986 and 23130201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130201023) 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, 28104329 + ... + 28105151.

It is an arithmetic number, because the mean of its divisors is an integer number (541338336).

Almost surely, 2^23130201020 is an apocalyptic number.

23130201020 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 23130201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25984240128).

23130201020 is an abundant number, since it is smaller than the sum of its proper divisors (28838279236).

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

23130201020 is a wasteful number, since it uses less digits than its factorization.

23130201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23130201020 its reverse (2010203132), we get a palindrome (25140404152).

The spelling of 23130201020 in words is "twenty-three billion, one hundred thirty million, two hundred one thousand, twenty".