20133511041 has 48 divisors (see below), whose sum is σ = 31715999744. Its totient is φ = 11122217568.

The previous prime is 20133511037. The next prime is 20133511067. The reversal of 20133511041 is 14011533102.

It is not a de Polignac number, because 20133511041 - 2² = 20133511037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133510999 and 20133511017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133511091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48051130 + ... + 48051548.

Almost surely, 2^20133511041 is an apocalyptic number.

20133511041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20133511041 is a deficient number, since it is larger than the sum of its proper divisors (11582488703).

20133511041 is an equidigital number, since it uses as much as digits as its factorization.

20133511041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The spelling of 20133511041 in words is "twenty billion, one hundred thirty-three million, five hundred eleven thousand, forty-one".