102020322 has 32 divisors (see below), whose sum is σ = 213134400. Its totient is φ = 32522688.

The previous prime is 102020299. The next prime is 102020323. The reversal of 102020322 is 223020201.

It is a super-2 number, since 2×102020322² = 20816292201967368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102020298 and 102020307.

It is not an unprimeable number, because it can be changed into a prime (102020323) 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, 9204 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (6660450).

Almost surely, 2^102020322 is an apocalyptic number.

102020322 is an abundant number, since it is smaller than the sum of its proper divisors (111114078).

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

102020322 is a wasteful number, since it uses less digits than its factorization.

102020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102020322 is about 10100.5109771734. The cubic root of 102020322 is about 467.2639005346.

Adding to 102020322 its reverse (223020201), we get a palindrome (325040523).

The spelling of 102020322 in words is "one hundred two million, twenty thousand, three hundred twenty-two".