1005146020 has 24 divisors (see below), whose sum is σ = 2123763264. Its totient is φ = 399590496.

The previous prime is 1005145991. The next prime is 1005146053. The reversal of 1005146020 is 206415001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150904 + ... + 157423.

It is an arithmetic number, because the mean of its divisors is an integer number (88490136).

Almost surely, 2^1005146020 is an apocalyptic number.

1005146020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005146020 is an abundant number, since it is smaller than the sum of its proper divisors (1118617244).

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

1005146020 is a wasteful number, since it uses less digits than its factorization.

1005146020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308499 (or 308497 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1005146020 is about 31704.0379131744. The cubic root of 1005146020 is about 1001.7124059919.

The spelling of 1005146020 in words is "one billion, five million, one hundred forty-six thousand, twenty".