20354505145030 has 64 divisors (see below), whose sum is σ = 42000814614528. Its totient is φ = 6957264862080.

The previous prime is 20354505144979. The next prime is 20354505145033. The reversal of 20354505145030 is 3054150545302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354505145033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37906704 + ... + 38439916.

It is an arithmetic number, because the mean of its divisors is an integer number (656262728352).

Almost surely, 2^{20354505145030} is an apocalyptic number.

20354505145030 is an abundant number, since it is smaller than the sum of its proper divisors (21646309469498).

20354505145030 is a wasteful number, since it uses less digits than its factorization.

20354505145030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534901.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 20354505145030 in words is "twenty trillion, three hundred fifty-four billion, five hundred five million, one hundred forty-five thousand, thirty".