20020320111002 has 4 divisors (see below), whose sum is σ = 30030480166506. Its totient is φ = 10010160055500.

The previous prime is 20020320110957. The next prime is 20020320111019. The reversal of 20020320111002 is 20011102302002.

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., 16276052540881 + 3744267570121 = 4034359^2 + 1935011^2 .

It is a super-2 number, since 2×20020320111002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005080027749 + ... + 5005080027752.

Almost surely, 2^{20020320111002} is an apocalyptic number.

20020320111002 is a deficient number, since it is larger than the sum of its proper divisors (10010160055504).

20020320111002 is a wasteful number, since it uses less digits than its factorization.

20020320111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010160055503.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20020320111002 its reverse (20011102302002), we get a palindrome (40031422413004).

The spelling of 20020320111002 in words is "twenty trillion, twenty billion, three hundred twenty million, one hundred eleven thousand, two".