20411501131 has 8 divisors (see below), whose sum is σ = 23896391904. Its totient is φ = 17068850880.

The previous prime is 20411501113. The next prime is 20411501137. The reversal of 20411501131 is 13110511402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411501131 is a prime.

It is a super-2 number, since 2×20411501131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20411501099 and 20411501108.

It is not an unprimeable number, because it can be changed into a prime (20411501137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35559820 + ... + 35560393.

It is an arithmetic number, because the mean of its divisors is an integer number (2987048988).

Almost surely, 2^20411501131 is an apocalyptic number.

20411501131 is a deficient number, since it is larger than the sum of its proper divisors (3484890773).

20411501131 is an equidigital number, since it uses as much as digits as its factorization.

20411501131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71120261.

The product of its (nonzero) digits is 120, while the sum is 19.

The spelling of 20411501131 in words is "twenty billion, four hundred eleven million, five hundred one thousand, one hundred thirty-one".