1554416020 has 12 divisors (see below), whose sum is σ = 3264273684. Its totient is φ = 621766400.

The previous prime is 1554416009. The next prime is 1554416021. The reversal of 1554416020 is 206144551.

It can be written as a sum of positive squares in 2 ways, for example, as 473584644 + 1080831376 = 21762^2 + 32876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1554416020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554416021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38860381 + ... + 38860420.

It is an arithmetic number, because the mean of its divisors is an integer number (272022807).

Almost surely, 2^1554416020 is an apocalyptic number.

1554416020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1554416020 is an abundant number, since it is smaller than the sum of its proper divisors (1709857664).

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

1554416020 is a wasteful number, since it uses less digits than its factorization.

1554416020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77720810 (or 77720808 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1554416020 is about 39426.0829908324. The cubic root of 1554416020 is about 1158.3925466110.

The spelling of 1554416020 in words is "one billion, five hundred fifty-four million, four hundred sixteen thousand, twenty".