20661035034 has 32 divisors (see below), whose sum is σ = 44139997440. Its totient is φ = 6424527872.

The previous prime is 20661035027. The next prime is 20661035047. The reversal of 20661035034 is 43053016602.

It is a junction number, because it is equal to n+sod(n) for n = 20661034992 and 20661035010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884754 + ... + 907805.

It is an arithmetic number, because the mean of its divisors is an integer number (1379374920).

Almost surely, 2^20661035034 is an apocalyptic number.

20661035034 is an abundant number, since it is smaller than the sum of its proper divisors (23478962406).

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

20661035034 is a wasteful number, since it uses less digits than its factorization.

20661035034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792694.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 20661035034 in words is "twenty billion, six hundred sixty-one million, thirty-five thousand, thirty-four".