620060121954 has 160 divisors (see below), whose sum is σ = 1720269847296. Its totient is φ = 162552458880.

The previous prime is 620060121949. The next prime is 620060121971. The reversal of 620060121954 is 459121060026.

620060121954 is a `hidden beast` number, since 6 + 20 + 0 + 601 + 21 + 9 + 5 + 4 = 666.

620060121954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2335984 + ... + 2587844.

Almost surely, 2^620060121954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620060121954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860134923648).

620060121954 is an abundant number, since it is smaller than the sum of its proper divisors (1100209725342).

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

620060121954 is a wasteful number, since it uses less digits than its factorization.

620060121954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252062 (or 252053 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 620060121954 in words is "six hundred twenty billion, sixty million, one hundred twenty-one thousand, nine hundred fifty-four".