1320538898 has 16 divisors (see below), whose sum is σ = 2285761920. Its totient is φ = 560450016.

The previous prime is 1320538897. The next prime is 1320539071. The reversal of 1320538898 is 8988350231.

It is a super-2 number, since 2×1320538898² = 3487645962262108808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320538897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456443 + ... + 459326.

It is an arithmetic number, because the mean of its divisors is an integer number (142860120).

Almost surely, 2^1320538898 is an apocalyptic number.

1320538898 is a deficient number, since it is larger than the sum of its proper divisors (965223022).

1320538898 is a wasteful number, since it uses less digits than its factorization.

1320538898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915881.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 1320538898 is about 36339.2198320217. The cubic root of 1320538898 is about 1097.1105705440.

The spelling of 1320538898 in words is "one billion, three hundred twenty million, five hundred thirty-eight thousand, eight hundred ninety-eight".