102020434 has 32 divisors (see below), whose sum is σ = 169361280. Its totient is φ = 45873408.

The previous prime is 102020419. The next prime is 102020447. The reversal of 102020434 is 434020201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105019 + ... + 105985.

It is an arithmetic number, because the mean of its divisors is an integer number (5292540).

Almost surely, 2^102020434 is an apocalyptic number.

102020434 is a deficient number, since it is larger than the sum of its proper divisors (67340846).

102020434 is a wasteful number, since it uses less digits than its factorization.

102020434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 102020434 is about 10100.5165214458. The cubic root of 102020434 is about 467.2640715252.

Adding to 102020434 its reverse (434020201), we get a palindrome (536040635).

The spelling of 102020434 in words is "one hundred two million, twenty thousand, four hundred thirty-four".