20084020802 has 4 divisors (see below), whose sum is σ = 30126031206. Its totient is φ = 10042010400.

The previous prime is 20084020799. The next prime is 20084020819. The reversal of 20084020802 is 20802048002.

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., 16287119641 + 3796901161 = 127621^2 + 61619^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021005199 + ... + 5021005202.

Almost surely, 2^20084020802 is an apocalyptic number.

20084020802 is a deficient number, since it is larger than the sum of its proper divisors (10042010404).

20084020802 is a wasteful number, since it uses less digits than its factorization.

20084020802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042010403.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 20084020802 its reverse (20802048002), we get a palindrome (40886068804).

The spelling of 20084020802 in words is "twenty billion, eighty-four million, twenty thousand, eight hundred two".