620922049980 has 24 divisors (see below), whose sum is σ = 1738581740112. Its totient is φ = 165579213312.

The previous prime is 620922049949. The next prime is 620922050029. The reversal of 620922049980 is 89940229026.

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 7 ways as a sum of consecutive naturals, for example, 5174350357 + ... + 5174350476.

It is an arithmetic number, because the mean of its divisors is an integer number (72440905838).

Almost surely, 2^620922049980 is an apocalyptic number.

620922049980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620922049980 is an abundant number, since it is smaller than the sum of its proper divisors (1117659690132).

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

620922049980 is a wasteful number, since it uses less digits than its factorization.

620922049980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348700845 (or 10348700843 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 620922049980 in words is "six hundred twenty billion, nine hundred twenty-two million, forty-nine thousand, nine hundred eighty".