1620023362 has 4 divisors (see below), whose sum is σ = 2430035046. Its totient is φ = 810011680.

The previous prime is 1620023311. The next prime is 1620023369. The reversal of 1620023362 is 2633200261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1077086761 + 542936601 = 32819^2 + 23301^2 .

It is not an unprimeable number, because it can be changed into a prime (1620023369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405005839 + ... + 405005842.

Almost surely, 2^1620023362 is an apocalyptic number.

1620023362 is a deficient number, since it is larger than the sum of its proper divisors (810011684).

1620023362 is an equidigital number, since it uses as much as digits as its factorization.

1620023362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810011683.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1620023362 is about 40249.5138107282. The cubic root of 1620023362 is about 1174.4659379493.

The spelling of 1620023362 in words is "one billion, six hundred twenty million, twenty-three thousand, three hundred sixty-two".