201964802 has 18 divisors (see below), whose sum is σ = 328468347. Its totient is φ = 93093936.

The previous prime is 201964753. The next prime is 201964831. The reversal of 201964802 is 208469102.

It can be written as a sum of positive squares in 5 ways, for example, as 3690241 + 198274561 = 1921^2 + 14081^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10049.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 260888 + ... + 261660.

Almost surely, 2^201964802 is an apocalyptic number.

201964802 is a deficient number, since it is larger than the sum of its proper divisors (126503545).

201964802 is an frugal number, since it uses more digits than its factorization.

201964802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 201964802 is about 14211.4320882872. The cubic root of 201964802 is about 586.7123491602.

Multiplying 201964802 by its sum of digits (32), we get a square (6462873664 = 80392²).

The spelling of 201964802 in words is "two hundred one million, nine hundred sixty-four thousand, eight hundred two".