20021012030 has 16 divisors (see below), whose sum is σ = 38157693840. Its totient is φ = 7537322112.

The previous prime is 20021012003. The next prime is 20021012041. The reversal of 20021012030 is 3021012002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58885160 + ... + 58885499.

It is an arithmetic number, because the mean of its divisors is an integer number (2384855865).

Almost surely, 2^20021012030 is an apocalyptic number.

20021012030 is a deficient number, since it is larger than the sum of its proper divisors (18136681810).

20021012030 is a wasteful number, since it uses less digits than its factorization.

20021012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117770683.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20021012030 its reverse (3021012002), we get a palindrome (23042024032).

The spelling of 20021012030 in words is "twenty billion, twenty-one million, twelve thousand, thirty".