20202001102 has 36 divisors (see below), whose sum is σ = 33651328536. Its totient is φ = 9093346240.

The previous prime is 20202001081. The next prime is 20202001103. The reversal of 20202001102 is 20110020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202001103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 272727 + ... + 338797.

It is an arithmetic number, because the mean of its divisors is an integer number (934759126).

Almost surely, 2^20202001102 is an apocalyptic number.

20202001102 is a deficient number, since it is larger than the sum of its proper divisors (13449327434).

20202001102 is a wasteful number, since it uses less digits than its factorization.

20202001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66153 (or 66113 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20202001102 its reverse (20110020202), we get a palindrome (40312021304).

The spelling of 20202001102 in words is "twenty billion, two hundred two million, one thousand, one hundred two".