20236603674 has 16 divisors (see below), whose sum is σ = 46255094208. Its totient is φ = 5781886752.

The previous prime is 20236603649. The next prime is 20236603679. The reversal of 20236603674 is 47630663202.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20236603679) 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, 240911907 + ... + 240911990.

It is an arithmetic number, because the mean of its divisors is an integer number (2890943388).

Almost surely, 2^20236603674 is an apocalyptic number.

20236603674 is an abundant number, since it is smaller than the sum of its proper divisors (26018490534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20236603674 is a wasteful number, since it uses less digits than its factorization.

20236603674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481823909.

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 20236603674 in words is "twenty billion, two hundred thirty-six million, six hundred three thousand, six hundred seventy-four".