20100501745 has 16 divisors (see below), whose sum is σ = 24194661120. Its totient is φ = 16031088000.

The previous prime is 20100501731. The next prime is 20100501761. The reversal of 20100501745 is 54710500102.

It is not a de Polignac number, because 20100501745 - 2⁵ = 20100501713 is a prime.

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, 3878566 + ... + 3883744.

It is an arithmetic number, because the mean of its divisors is an integer number (1512166320).

Almost surely, 2^20100501745 is an apocalyptic number.

It is an amenable number.

20100501745 is a deficient number, since it is larger than the sum of its proper divisors (4094159375).

20100501745 is a wasteful number, since it uses less digits than its factorization.

20100501745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7416.

The product of its (nonzero) digits is 1400, while the sum is 25.

The spelling of 20100501745 in words is "twenty billion, one hundred million, five hundred one thousand, seven hundred forty-five".