1820002662 has 16 divisors (see below), whose sum is σ = 4044450480. Its totient is φ = 606667536.

The previous prime is 1820002661. The next prime is 1820002663. The reversal of 1820002662 is 2662000281.

It is an interprime number because it is at equal distance from previous prime (1820002661) and next prime (1820002663).

It is a super-3 number, since 3×1820002662³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1820002661) 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, 16851823 + ... + 16851930.

It is an arithmetic number, because the mean of its divisors is an integer number (252778155).

Almost surely, 2^1820002662 is an apocalyptic number.

1820002662 is an abundant number, since it is smaller than the sum of its proper divisors (2224447818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1820002662 is a wasteful number, since it uses less digits than its factorization.

1820002662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703764 (or 33703758 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1820002662 is about 42661.4892145129. The cubic root of 1820002662 is about 1220.9297450054.

The spelling of 1820002662 in words is "one billion, eight hundred twenty million, two thousand, six hundred sixty-two".