202140102 has 32 divisors (see below), whose sum is σ = 416556000. Its totient is φ = 65346048.

The previous prime is 202140101. The next prime is 202140137. The reversal of 202140102 is 201041202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202140101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76174 + ... + 78782.

It is an arithmetic number, because the mean of its divisors is an integer number (13017375).

Almost surely, 2^202140102 is an apocalyptic number.

202140102 is an abundant number, since it is smaller than the sum of its proper divisors (214415898).

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

202140102 is a wasteful number, since it uses less digits than its factorization.

202140102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202140102 is about 14217.5983203915. The cubic root of 202140102 is about 586.8820502351.

Adding to 202140102 its reverse (201041202), we get a palindrome (403181304).

The spelling of 202140102 in words is "two hundred two million, one hundred forty thousand, one hundred two".