620532612102 has 16 divisors (see below), whose sum is σ = 1336531780080. Its totient is φ = 190933111392.

The previous prime is 620532612053. The next prime is 620532612109. The reversal of 620532612102 is 201216235026.

It is a self number, because there is not a number n which added to its sum of digits gives 620532612102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620532612109) 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, 3977773077 + ... + 3977773232.

It is an arithmetic number, because the mean of its divisors is an integer number (83533236255).

Almost surely, 2^620532612102 is an apocalyptic number.

620532612102 is an abundant number, since it is smaller than the sum of its proper divisors (715999167978).

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

620532612102 is a wasteful number, since it uses less digits than its factorization.

620532612102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955546327.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 620532612102 its reverse (201216235026), we get a palindrome (821748847128).

The spelling of 620532612102 in words is "six hundred twenty billion, five hundred thirty-two million, six hundred twelve thousand, one hundred two".