102020152 has 16 divisors (see below), whose sum is σ = 206002440. Its totient is φ = 47086176.

The previous prime is 102020147. The next prime is 102020153. The reversal of 102020152 is 251020201.

It is a super-2 number, since 2×102020152² = 20816222828206208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490378 + ... + 490585.

Almost surely, 2^102020152 is an apocalyptic number.

It is an amenable number.

102020152 is an abundant number, since it is smaller than the sum of its proper divisors (103982288).

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

102020152 is a wasteful number, since it uses less digits than its factorization.

102020152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980982 (or 980978 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 102020152 is about 10100.5025617540. The cubic root of 102020152 is about 467.2636409951.

Adding to 102020152 its reverse (251020201), we get a palindrome (353040353).

The spelling of 102020152 in words is "one hundred two million, twenty thousand, one hundred fifty-two".