2231213013020 has 96 divisors (see below), whose sum is σ = 4755994488000. Its totient is φ = 879179673600.

The previous prime is 2231213013019. The next prime is 2231213013077. The reversal of 2231213013020 is 203103121322.

It is a super-3 number, since 3×2231213013020³ (a number of 38 digits) contains 333 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 = 2231213012983 and 2231213013001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489191540 + ... + 489196100.

It is an arithmetic number, because the mean of its divisors is an integer number (49541609250).

Almost surely, 2^{2231213013020} is an apocalyptic number.

2231213013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231213013020 is an abundant number, since it is smaller than the sum of its proper divisors (2524781474980).

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

2231213013020 is a wasteful number, since it uses less digits than its factorization.

2231213013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039 (or 6037 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2231213013020 its reverse (203103121322), we get a palindrome (2434316134342).

The spelling of 2231213013020 in words is "two trillion, two hundred thirty-one billion, two hundred thirteen million, thirteen thousand, twenty".