620256363100 has 72 divisors (see below), whose sum is σ = 1492386887376. Its totient is φ = 221850240000.

The previous prime is 620256363073. The next prime is 620256363101. The reversal of 620256363100 is 1363652026.

It is a super-2 number, since 2×620256363100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620256363101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4554781 + ... + 4688980.

It is an arithmetic number, because the mean of its divisors is an integer number (20727595658).

Almost surely, 2^620256363100 is an apocalyptic number.

It is an amenable number.

620256363100 is an abundant number, since it is smaller than the sum of its proper divisors (872130524276).

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

620256363100 is a wasteful number, since it uses less digits than its factorization.

620256363100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243847 (or 9243840 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 620256363100 in words is "six hundred twenty billion, two hundred fifty-six million, three hundred sixty-three thousand, one hundred".