20433621141 has 16 divisors (see below), whose sum is σ = 30447021120. Its totient is φ = 13543668720.

The previous prime is 20433621119. The next prime is 20433621167. The reversal of 20433621141 is 14112633402.

It is a happy number.

20433621141 is a `hidden beast` number, since 2 + 0 + 4 + 33 + 621 + 1 + 4 + 1 = 666.

It is not a de Polignac number, because 20433621141 - 2¹⁰ = 20433620117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433621541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182615 + ... + 2191956.

It is an arithmetic number, because the mean of its divisors is an integer number (1902938820).

Almost surely, 2^20433621141 is an apocalyptic number.

It is an amenable number.

20433621141 is a deficient number, since it is larger than the sum of its proper divisors (10013399979).

20433621141 is a wasteful number, since it uses less digits than its factorization.

20433621141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374753 (or 4374747 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 20433621141 in words is "twenty billion, four hundred thirty-three million, six hundred twenty-one thousand, one hundred forty-one".