20402003202 has 32 divisors (see below), whose sum is σ = 46662835200. Its totient is φ = 5825433168.

The previous prime is 20402003177. The next prime is 20402003227. The reversal of 20402003202 is 20230020402.

It is an interprime number because it is at equal distance from previous prime (20402003177) and next prime (20402003227).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87502 + ... + 220137.

It is an arithmetic number, because the mean of its divisors is an integer number (1458213600).

Almost surely, 2^20402003202 is an apocalyptic number.

20402003202 is an abundant number, since it is smaller than the sum of its proper divisors (26260831998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20402003202 is a wasteful number, since it uses less digits than its factorization.

20402003202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309230.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20402003202 its reverse (20230020402), we get a palindrome (40632023604).

It can be divided in two parts, 2040200 and 3202, that added together give a palindrome (2043402).

The spelling of 20402003202 in words is "twenty billion, four hundred two million, three thousand, two hundred two".