1630020343 has 16 divisors (see below), whose sum is σ = 1898726400. Its totient is φ = 1370476800.

The previous prime is 1630020341. The next prime is 1630020349. The reversal of 1630020343 is 3430200361.

It is not a de Polignac number, because 1630020343 - 2¹ = 1630020341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630020341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90663 + ... + 107143.

It is an arithmetic number, because the mean of its divisors is an integer number (118670400).

Almost surely, 2^1630020343 is an apocalyptic number.

1630020343 is a deficient number, since it is larger than the sum of its proper divisors (268706057).

1630020343 is a wasteful number, since it uses less digits than its factorization.

1630020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16758.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1630020343 is about 40373.5104121502. The cubic root of 1630020343 is about 1176.8768178108.

The spelling of 1630020343 in words is "one billion, six hundred thirty million, twenty thousand, three hundred forty-three".