20535520034 has 8 divisors (see below), whose sum is σ = 30804002460. Its totient is φ = 10267519216.

The previous prime is 20535520001. The next prime is 20535520037. The reversal of 20535520034 is 43002553502.

It can be written as a sum of positive squares in 2 ways, for example, as 16400644225 + 4134875809 = 128065^2 + 64303^2 .

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

It is a super-2 number, since 2×20535520034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20535519979 and 20535520006.

It is not an unprimeable number, because it can be changed into a prime (20535520037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18032 + ... + 203460.

Almost surely, 2^20535520034 is an apocalyptic number.

20535520034 is a deficient number, since it is larger than the sum of its proper divisors (10268482426).

20535520034 is a wasteful number, since it uses less digits than its factorization.

20535520034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240804.

The product of its (nonzero) digits is 18000, while the sum is 29.

The spelling of 20535520034 in words is "twenty billion, five hundred thirty-five million, five hundred twenty thousand, thirty-four".