3331123020020 has 24 divisors (see below), whose sum is σ = 7024384735368. Its totient is φ = 1326920371200.

The previous prime is 3331123019839. The next prime is 3331123020037. The reversal of 3331123020020 is 200203211333.

It can be written as a sum of positive squares in 4 ways, for example, as 443121874276 + 2888001145744 = 665674^2 + 1699412^2 .

It is a super-2 number, since 2×3331123020020² (a number of 26 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 = 3331123019974 and 3331123020001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345547361 + ... + 345557000.

It is an arithmetic number, because the mean of its divisors is an integer number (292682697307).

Almost surely, 2^{3331123020020} is an apocalyptic number.

It is an amenable number.

3331123020020 is an abundant number, since it is smaller than the sum of its proper divisors (3693261715348).

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

3331123020020 is a wasteful number, since it uses less digits than its factorization.

3331123020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691104611 (or 691104609 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 3331123020020 its reverse (200203211333), we get a palindrome (3531326231353).

The spelling of 3331123020020 in words is "three trillion, three hundred thirty-one billion, one hundred twenty-three million, twenty thousand, twenty".