20201120102 has 16 divisors (see below), whose sum is σ = 30951728640. Its totient is φ = 9883951368.

The previous prime is 20201120101. The next prime is 20201120117. The reversal of 20201120102 is 20102110202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201120101) 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, 662549 + ... + 692367.

It is an arithmetic number, because the mean of its divisors is an integer number (1934483040).

Almost surely, 2^20201120102 is an apocalyptic number.

20201120102 is a deficient number, since it is larger than the sum of its proper divisors (10750608538).

20201120102 is a wasteful number, since it uses less digits than its factorization.

20201120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37075.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201120102 its reverse (20102110202), we get a palindrome (40303230304).

The spelling of 20201120102 in words is "twenty billion, two hundred one million, one hundred twenty thousand, one hundred two".