20230120102 has 4 divisors (see below), whose sum is σ = 30345180156. Its totient is φ = 10115060050.

The previous prime is 20230120061. The next prime is 20230120103. The reversal of 20230120102 is 20102103202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057530024 + ... + 5057530027.

It is an arithmetic number, because the mean of its divisors is an integer number (7586295039).

Almost surely, 2^20230120102 is an apocalyptic number.

20230120102 is a deficient number, since it is larger than the sum of its proper divisors (10115060054).

20230120102 is a wasteful number, since it uses less digits than its factorization.

20230120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115060053.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20230120102 its reverse (20102103202), we get a palindrome (40332223304).

The spelling of 20230120102 in words is "twenty billion, two hundred thirty million, one hundred twenty thousand, one hundred two".