20545474037 has 8 divisors (see below), whose sum is σ = 23136252672. Its totient is φ = 18075196800.

The previous prime is 20545473967. The next prime is 20545474087. The reversal of 20545474037 is 73047454502.

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

It is a cyclic number.

It is not a de Polignac number, because 20545474037 - 2¹⁸ = 20545211893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20545473985 and 20545474003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20545474087) 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, 30124988 + ... + 30125669.

It is an arithmetic number, because the mean of its divisors is an integer number (2892031584).

Almost surely, 2^20545474037 is an apocalyptic number.

It is an amenable number.

20545474037 is a deficient number, since it is larger than the sum of its proper divisors (2590778635).

20545474037 is a wasteful number, since it uses less digits than its factorization.

20545474037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60250699.

The product of its (nonzero) digits is 470400, while the sum is 41.

The spelling of 20545474037 in words is "twenty billion, five hundred forty-five million, four hundred seventy-four thousand, thirty-seven".