20202018702 has 16 divisors (see below), whose sum is σ = 40408170960. Its totient is φ = 6733317312.

The previous prime is 20202018701. The next prime is 20202018721. The reversal of 20202018702 is 20781020202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202018701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106783 + ... + 227610.

It is an arithmetic number, because the mean of its divisors is an integer number (2525510685).

Almost surely, 2^20202018702 is an apocalyptic number.

20202018702 is an abundant number, since it is smaller than the sum of its proper divisors (20206152258).

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

20202018702 is a wasteful number, since it uses less digits than its factorization.

20202018702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344467.

The product of its (nonzero) digits is 896, while the sum is 24.

Adding to 20202018702 its reverse (20781020202), we get a palindrome (40983038904).

The spelling of 20202018702 in words is "twenty billion, two hundred two million, eighteen thousand, seven hundred two".