20473733031 has 8 divisors (see below), whose sum is σ = 28178901504. Its totient is φ = 13208859960.

The previous prime is 20473733011. The next prime is 20473733083. The reversal of 20473733031 is 13033737402.

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

It is not a de Polignac number, because 20473733031 - 2⁵ = 20473732999 is a prime.

It is a super-2 number, since 2×20473733031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20473732983 and 20473733001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473733011) 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, 110073741 + ... + 110073926.

It is an arithmetic number, because the mean of its divisors is an integer number (3522362688).

Almost surely, 2^20473733031 is an apocalyptic number.

20473733031 is a deficient number, since it is larger than the sum of its proper divisors (7705168473).

20473733031 is a wasteful number, since it uses less digits than its factorization.

20473733031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220147701.

The product of its (nonzero) digits is 31752, while the sum is 33.

The spelling of 20473733031 in words is "twenty billion, four hundred seventy-three million, seven hundred thirty-three thousand, thirty-one".