4621621708020 has 96 divisors (see below), whose sum is σ = 12956539470336. Its totient is φ = 1230909696000.

The previous prime is 4621621707979. The next prime is 4621621708079. The reversal of 4621621708020 is 208071261264.

It is a self number, because there is not a number n which added to its sum of digits gives 4621621708020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182942190 + ... + 182967450.

It is an arithmetic number, because the mean of its divisors is an integer number (134963952816).

Almost surely, 2^{4621621708020} is an apocalyptic number.

It is an amenable number.

4621621708020 is an abundant number, since it is smaller than the sum of its proper divisors (8334917762316).

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

4621621708020 is a wasteful number, since it uses less digits than its factorization.

4621621708020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28921 (or 28919 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

Adding to 4621621708020 its reverse (208071261264), we get a palindrome (4829692969284).

The spelling of 4621621708020 in words is "four trillion, six hundred twenty-one billion, six hundred twenty-one million, seven hundred eight thousand, twenty".