20411501145 has 32 divisors (see below), whose sum is σ = 37330336512. Its totient is φ = 9329359872.

The previous prime is 20411501137. The next prime is 20411501147. The reversal of 20411501145 is 54110511402.

It is not a de Polignac number, because 20411501145 - 2³ = 20411501137 is a prime.

It is a super-2 number, since 2×20411501145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20411501147) 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, 767389 + ... + 793541.

It is an arithmetic number, because the mean of its divisors is an integer number (1166573016).

Almost surely, 2^20411501145 is an apocalyptic number.

It is an amenable number.

20411501145 is a deficient number, since it is larger than the sum of its proper divisors (16918835367).

20411501145 is a wasteful number, since it uses less digits than its factorization.

20411501145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33601.

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 20411501145 in words is "twenty billion, four hundred eleven million, five hundred one thousand, one hundred forty-five".