3551355020 has 24 divisors (see below), whose sum is σ = 7782100704. Its totient is φ = 1358779136.

The previous prime is 3551354987. The next prime is 3551355107. The reversal of 3551355020 is 205531553.

It is a super-2 number, since 2×3551355020² = 25224244956158400800, which contains 22 as substring.

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, 3859709 + ... + 3860628.

It is an arithmetic number, because the mean of its divisors is an integer number (324254196).

Almost surely, 2^3551355020 is an apocalyptic number.

It is an amenable number.

3551355020 is an abundant number, since it is smaller than the sum of its proper divisors (4230745684).

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

3551355020 is a wasteful number, since it uses less digits than its factorization.

3551355020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720369 (or 7720367 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 3551355020 is about 59593.2464294403. The cubic root of 3551355020 is about 1525.6843682785.

Adding to 3551355020 its reverse (205531553), we get a palindrome (3756886573).

The spelling of 3551355020 in words is "three billion, five hundred fifty-one million, three hundred fifty-five thousand, twenty".