1564920030 has 32 divisors (see below), whose sum is σ = 3776803200. Its totient is φ = 414979232.

The previous prime is 1564920013. The next prime is 1564920043. The reversal of 1564920030 is 300294651.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 1564920030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140340 + ... + 151079.

It is an arithmetic number, because the mean of its divisors is an integer number (118025100).

Almost surely, 2^1564920030 is an apocalyptic number.

1564920030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1564920030 is an abundant number, since it is smaller than the sum of its proper divisors (2211883170).

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

1564920030 is a wasteful number, since it uses less digits than its factorization.

1564920030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291608.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1564920030 is about 39559.0701356844. The cubic root of 1564920030 is about 1160.9959812046.

The spelling of 1564920030 in words is "one billion, five hundred sixty-four million, nine hundred twenty thousand, thirty".