1320020030 has 16 divisors (see below), whose sum is σ = 2715469920. Its totient is φ = 452578272.

The previous prime is 1320020027. The next prime is 1320020077. The reversal of 1320020030 is 300200231.

It is a junction number, because it is equal to n+sod(n) for n = 1320019993 and 1320020020.

It is a congruent number.

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, 9428645 + ... + 9428784.

It is an arithmetic number, because the mean of its divisors is an integer number (169716870).

Almost surely, 2^1320020030 is an apocalyptic number.

1320020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320020030 is an abundant number, since it is smaller than the sum of its proper divisors (1395449890).

1320020030 is a wasteful number, since it uses less digits than its factorization.

1320020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18857443.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1320020030 is about 36332.0799019269. The cubic root of 1320020030 is about 1096.9668589774.

Adding to 1320020030 its reverse (300200231), we get a palindrome (1620220261).

The spelling of 1320020030 in words is "one billion, three hundred twenty million, twenty thousand, thirty".