1000154258020 has 24 divisors (see below), whose sum is σ = 2191642375104. Its totient is φ = 382667715936.

The previous prime is 1000154258003. The next prime is 1000154258041. The reversal of 1000154258020 is 208524510001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000154258020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087123734 + ... + 1087124653.

It is an arithmetic number, because the mean of its divisors is an integer number (91318432296).

Almost surely, 2^{1000154258020} is an apocalyptic number.

1000154258020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000154258020 is an abundant number, since it is smaller than the sum of its proper divisors (1191488117084).

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

1000154258020 is a wasteful number, since it uses less digits than its factorization.

1000154258020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174248419 (or 2174248417 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 1000154258020 its reverse (208524510001), we get a palindrome (1208678768021).

The spelling of 1000154258020 in words is "one trillion, one hundred fifty-four million, two hundred fifty-eight thousand, twenty".