20735562441 has 32 divisors (see below), whose sum is σ = 31148052480. Its totient is φ = 12156033600.

The previous prime is 20735562437. The next prime is 20735562461. The reversal of 20735562441 is 14426553702.

It is not a de Polignac number, because 20735562441 - 2² = 20735562437 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20735562441.

It is not an unprimeable number, because it can be changed into a prime (20735562401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3545866 + ... + 3551708.

It is an arithmetic number, because the mean of its divisors is an integer number (973376640).

Almost surely, 2^20735562441 is an apocalyptic number.

It is an amenable number.

20735562441 is a deficient number, since it is larger than the sum of its proper divisors (10412490039).

20735562441 is a wasteful number, since it uses less digits than its factorization.

20735562441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 20735562441 in words is "twenty billion, seven hundred thirty-five million, five hundred sixty-two thousand, four hundred forty-one".