551010605020 has 48 divisors (see below), whose sum is σ = 1161987781248. Its totient is φ = 219478524480.

The previous prime is 551010605011. The next prime is 551010605051. The reversal of 551010605020 is 20506010155.

It is a super-2 number, since 2×551010605020² (a number of 24 digits) contains 22 as substring.

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, 8633667 + ... + 8697253.

It is an arithmetic number, because the mean of its divisors is an integer number (24208078776).

Almost surely, 2^551010605020 is an apocalyptic number.

It is an amenable number.

551010605020 is an abundant number, since it is smaller than the sum of its proper divisors (610977176228).

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

551010605020 is a wasteful number, since it uses less digits than its factorization.

551010605020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65410 (or 65408 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 551010605020 its reverse (20506010155), we get a palindrome (571516615175).

The spelling of 551010605020 in words is "five hundred fifty-one billion, ten million, six hundred five thousand, twenty".