620068154 has 8 divisors (see below), whose sum is σ = 979055040. Its totient is φ = 293716476.

The previous prime is 620068117. The next prime is 620068199. The reversal of 620068154 is 451860026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 620068154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8158754 + ... + 8158829.

It is an arithmetic number, because the mean of its divisors is an integer number (122381880).

Almost surely, 2^620068154 is an apocalyptic number.

620068154 is a deficient number, since it is larger than the sum of its proper divisors (358986886).

620068154 is a wasteful number, since it uses less digits than its factorization.

620068154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317604.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 620068154 is about 24901.1677236229. The cubic root of 620068154 is about 852.7331418313.

The spelling of 620068154 in words is "six hundred twenty million, sixty-eight thousand, one hundred fifty-four".