20321011202 has 4 divisors (see below), whose sum is σ = 30481516806. Its totient is φ = 10160505600.

The previous prime is 20321011189. The next prime is 20321011223. The reversal of 20321011202 is 20211012302.

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., 14675141881 + 5645869321 = 121141^2 + 75139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080252799 + ... + 5080252802.

Almost surely, 2^20321011202 is an apocalyptic number.

20321011202 is a deficient number, since it is larger than the sum of its proper divisors (10160505604).

20321011202 is a wasteful number, since it uses less digits than its factorization.

20321011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160505603.

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

Adding to 20321011202 its reverse (20211012302), we get a palindrome (40532023504).

It can be divided in two parts, 203210 and 11202, that added together give a palindrome (214412).

The spelling of 20321011202 in words is "twenty billion, three hundred twenty-one million, eleven thousand, two hundred two".