202010102120 has 32 divisors (see below), whose sum is σ = 454537050120. Its totient is φ = 80801495040.

The previous prime is 202010102089. The next prime is 202010102149. The reversal of 202010102120 is 21201010202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 197336739076 + 4673363044 = 444226^2 + 68362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694060 + ... + 1809380.

Almost surely, 2^202010102120 is an apocalyptic number.

202010102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202010102120 is an abundant number, since it is smaller than the sum of its proper divisors (252526948000).

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

202010102120 is a wasteful number, since it uses less digits than its factorization.

202010102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159125 (or 159121 counting only the distinct ones).

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

Adding to 202010102120 its reverse (21201010202), we get a palindrome (223211112322).

The spelling of 202010102120 in words is "two hundred two billion, ten million, one hundred two thousand, one hundred twenty".