236920064 has 18 divisors (see below), whose sum is σ = 472915170. Its totient is φ = 118459904.

The previous prime is 236920051. The next prime is 236920081. The reversal of 236920064 is 460029632.

It can be written as a sum of positive squares in only one way, i.e., 236913664 + 6400 = 15392^2 + 80^2 .

It is a super-2 number, since 2×236920064² = 112262233451528192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 236920064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462479 + ... + 462990.

It is an arithmetic number, because the mean of its divisors is an integer number (26273065).

Almost surely, 2^236920064 is an apocalyptic number.

It is an amenable number.

236920064 is a deficient number, since it is larger than the sum of its proper divisors (235995106).

236920064 is an frugal number, since it uses more digits than its factorization.

236920064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925485 (or 925471 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 236920064 is about 15392.2078988039. The cubic root of 236920064 is about 618.7766930089.

Adding to 236920064 its reverse (460029632), we get a palindrome (696949696).

The spelling of 236920064 in words is "two hundred thirty-six million, nine hundred twenty thousand, sixty-four".