20145760330 has 32 divisors (see below), whose sum is σ = 37084703040. Its totient is φ = 7877400960.

The previous prime is 20145760321. The next prime is 20145760357. The reversal of 20145760330 is 3306754102.

It is a junction number, because it is equal to n+sod(n) for n = 20145760292 and 20145760301.

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, 26995 + ... + 202534.

It is an arithmetic number, because the mean of its divisors is an integer number (1158896970).

Almost surely, 2^20145760330 is an apocalyptic number.

20145760330 is a deficient number, since it is larger than the sum of its proper divisors (16938942710).

20145760330 is a wasteful number, since it uses less digits than its factorization.

20145760330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229734.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 20145760330 in words is "twenty billion, one hundred forty-five million, seven hundred sixty thousand, three hundred thirty".