351104001020 has 24 divisors (see below), whose sum is σ = 755301779568. Its totient is φ = 137016195200.

The previous prime is 351104001011. The next prime is 351104001023. The reversal of 351104001020 is 20100401153.

It is a super-2 number, since 2×351104001020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 351104001020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351104001023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214086986 + ... + 214088625.

It is an arithmetic number, because the mean of its divisors is an integer number (31470907482).

Almost surely, 2^351104001020 is an apocalyptic number.

It is an amenable number.

351104001020 is an abundant number, since it is smaller than the sum of its proper divisors (404197778548).

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

351104001020 is a wasteful number, since it uses less digits than its factorization.

351104001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428175661 (or 428175659 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 351104001020 its reverse (20100401153), we get a palindrome (371204402173).

The spelling of 351104001020 in words is "three hundred fifty-one billion, one hundred four million, one thousand, twenty".