620503623402 has 32 divisors (see below), whose sum is σ = 1341669655872. Its totient is φ = 190181289984.

The previous prime is 620503623349. The next prime is 620503623403. The reversal of 620503623402 is 204326305026.

It is a super-3 number, since 3×620503623402³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (620503623403) 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, 15456948 + ... + 15497039.

It is an arithmetic number, because the mean of its divisors is an integer number (41927176746).

Almost surely, 2^620503623402 is an apocalyptic number.

620503623402 is an abundant number, since it is smaller than the sum of its proper divisors (721166032470).

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

620503623402 is a wasteful number, since it uses less digits than its factorization.

620503623402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30954262.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 620503623402 its reverse (204326305026), we get a palindrome (824829928428).

The spelling of 620503623402 in words is "six hundred twenty billion, five hundred three million, six hundred twenty-three thousand, four hundred two".