1320233877 has 8 divisors (see below), whose sum is σ = 1955902080. Its totient is φ = 880155900.

The previous prime is 1320233857. The next prime is 1320233891. The reversal of 1320233877 is 7783320231.

It is not a de Polignac number, because 1320233877 - 2⁷ = 1320233749 is a prime.

It is a super-2 number, since 2×1320233877² = 3486034979956902258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320233857) 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, 24448749 + ... + 24448802.

It is an arithmetic number, because the mean of its divisors is an integer number (244487760).

Almost surely, 2^1320233877 is an apocalyptic number.

It is an amenable number.

1320233877 is a deficient number, since it is larger than the sum of its proper divisors (635668203).

1320233877 is an equidigital number, since it uses as much as digits as its factorization.

1320233877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48897560 (or 48897554 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1320233877 is about 36335.0227328950. The cubic root of 1320233877 is about 1097.0260930294.

The spelling of 1320233877 in words is "one billion, three hundred twenty million, two hundred thirty-three thousand, eight hundred seventy-seven".