64020102 has 16 divisors (see below), whose sum is σ = 128119872. Its totient is φ = 21326760.

The previous prime is 64020083. The next prime is 64020119. The reversal of 64020102 is 20102046.

It is a congruent number.

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, 14433 + ... + 18339.

It is an arithmetic number, because the mean of its divisors is an integer number (8007492).

Almost surely, 2^64020102 is an apocalyptic number.

64020102 is an abundant number, since it is smaller than the sum of its proper divisors (64099770).

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

64020102 is a wasteful number, since it uses less digits than its factorization.

64020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 64020102 is about 8001.2562763606. The cubic root of 64020102 is about 400.0418747828.

Adding to 64020102 its reverse (20102046), we get a palindrome (84122148).

The spelling of 64020102 in words is "sixty-four million, twenty thousand, one hundred two".