620415500100 has 144 divisors (see below), whose sum is σ = 1958899164096. Its totient is φ = 150354432000.

The previous prime is 620415500053. The next prime is 620415500101. The reversal of 620415500100 is 1005514026.

It is not an unprimeable number, because it can be changed into a prime (620415500101) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10586880 + ... + 10645320.

Almost surely, 2^620415500100 is an apocalyptic number.

620415500100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620415500100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979449582048).

620415500100 is an abundant number, since it is smaller than the sum of its proper divisors (1338483663996).

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

620415500100 is a wasteful number, since it uses less digits than its factorization.

620415500100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61686 (or 61679 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 620415500100 in words is "six hundred twenty billion, four hundred fifteen million, five hundred thousand, one hundred".