64029020 has 24 divisors (see below), whose sum is σ = 146685168. Its totient is φ = 23283200.

The previous prime is 64028959. The next prime is 64029029. The reversal of 64029020 is 2092046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64029029) 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 7 ways as a sum of consecutive naturals, for example, 145301 + ... + 145740.

It is an arithmetic number, because the mean of its divisors is an integer number (6111882).

Almost surely, 2^64029020 is an apocalyptic number.

It is an amenable number.

64029020 is an abundant number, since it is smaller than the sum of its proper divisors (82656148).

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

64029020 is a wasteful number, since it uses less digits than its factorization.

64029020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291061 (or 291059 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 64029020 is about 8001.8135444410. The cubic root of 64029020 is about 400.0604491976.

The spelling of 64029020 in words is "sixty-four million, twenty-nine thousand, twenty".