20145816302 has 32 divisors (see below), whose sum is σ = 31448561664. Its totient is φ = 9668484000.

The previous prime is 20145816259. The next prime is 20145816347. The reversal of 20145816302 is 20361854102.

It is a congruent number.

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, 8265428 + ... + 8267864.

It is an arithmetic number, because the mean of its divisors is an integer number (982767552).

Almost surely, 2^20145816302 is an apocalyptic number.

20145816302 is a deficient number, since it is larger than the sum of its proper divisors (11302745362).

20145816302 is a wasteful number, since it uses less digits than its factorization.

20145816302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 20145816302 in words is "twenty billion, one hundred forty-five million, eight hundred sixteen thousand, three hundred two".