20300021002 has 16 divisors (see below), whose sum is σ = 32077008000. Its totient is φ = 9608496480.

The previous prime is 20300020991. The next prime is 20300021023. The reversal of 20300021002 is 20012000302.

It is a self number, because there is not a number n which added to its sum of digits gives 20300021002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152002 + ... + 252397.

It is an arithmetic number, because the mean of its divisors is an integer number (2004813000).

Almost surely, 2^20300021002 is an apocalyptic number.

20300021002 is a deficient number, since it is larger than the sum of its proper divisors (11776986998).

20300021002 is a wasteful number, since it uses less digits than its factorization.

20300021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405741.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20300021002 its reverse (20012000302), we get a palindrome (40312021304).

The spelling of 20300021002 in words is "twenty billion, three hundred million, twenty-one thousand, two".