230021140140020 has 48 divisors (see below), whose sum is σ = 484977360002688. Its totient is φ = 91640284944000.

The previous prime is 230021140140013. The next prime is 230021140140073. The reversal of 230021140140020 is 20041041120032.

It is a super-2 number, since 2×230021140140020² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 230021140139974 and 230021140140001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310533737 + ... + 311273583.

It is an arithmetic number, because the mean of its divisors is an integer number (10103695000056).

Almost surely, 2^{230021140140020} is an apocalyptic number.

230021140140020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230021140140020 is an abundant number, since it is smaller than the sum of its proper divisors (254956219862668).

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

230021140140020 is a wasteful number, since it uses less digits than its factorization.

230021140140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802040 (or 802038 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 230021140140020 its reverse (20041041120032), we get a palindrome (250062181260052).

The spelling of 230021140140020 in words is "two hundred thirty trillion, twenty-one billion, one hundred forty million, one hundred forty thousand, twenty".