20933641337 has 16 divisors (see below), whose sum is σ = 25102301952. Its totient is φ = 17068138560.

The previous prime is 20933641331. The next prime is 20933641363. The reversal of 20933641337 is 73314633902.

It is a cyclic number.

It is not a de Polignac number, because 20933641337 - 2⁸ = 20933641081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20933641294 and 20933641303.

It is not an unprimeable number, because it can be changed into a prime (20933641331) 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, 330038 + ... + 388319.

It is an arithmetic number, because the mean of its divisors is an integer number (1568893872).

Almost surely, 2^20933641337 is an apocalyptic number.

It is an amenable number.

20933641337 is a deficient number, since it is larger than the sum of its proper divisors (4168660615).

20933641337 is a wasteful number, since it uses less digits than its factorization.

20933641337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718568.

The product of its (nonzero) digits is 244944, while the sum is 41.

The spelling of 20933641337 in words is "twenty billion, nine hundred thirty-three million, six hundred forty-one thousand, three hundred thirty-seven".