102020120202 has 128 divisors (see below), whose sum is σ = 281360959488. Its totient is φ = 23799225600.

The previous prime is 102020120201. The next prime is 102020120227. The reversal of 102020120202 is 202021020201.

It is not an unprimeable number, because it can be changed into a prime (102020120201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7324 + ... + 451767.

It is an arithmetic number, because the mean of its divisors is an integer number (2198132496).

Almost surely, 2^102020120202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020120202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140680479744).

102020120202 is an abundant number, since it is smaller than the sum of its proper divisors (179340839286).

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

102020120202 is a wasteful number, since it uses less digits than its factorization.

102020120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459164.

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

Adding to 102020120202 its reverse (202021020201), we get a palindrome (304041140403).

It can be divided in two parts, 1020201 and 20202, that added together give a triangular number (1040403 = T₁₄₄₂).

The spelling of 102020120202 in words is "one hundred two billion, twenty million, one hundred twenty thousand, two hundred two".