320102200551 has 16 divisors (see below), whose sum is σ = 488906523648. Its totient is φ = 182491140000.

The previous prime is 320102200543. The next prime is 320102200567. The reversal of 320102200551 is 155002201023.

It is not a de Polignac number, because 320102200551 - 2³ = 320102200543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320102200751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17674200 + ... + 17692301.

It is an arithmetic number, because the mean of its divisors is an integer number (30556657728).

Almost surely, 2^320102200551 is an apocalyptic number.

320102200551 is a deficient number, since it is larger than the sum of its proper divisors (168804323097).

320102200551 is a wasteful number, since it uses less digits than its factorization.

320102200551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35366942.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 320102200551 its reverse (155002201023), we get a palindrome (475104401574).

The spelling of 320102200551 in words is "three hundred twenty billion, one hundred two million, two hundred thousand, five hundred fifty-one".