20434522544 has 20 divisors (see below), whose sum is σ = 39610124760. Its totient is φ = 10212554880.

The previous prime is 20434522519. The next prime is 20434522573. The reversal of 20434522544 is 44522543402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258197 + ... + 327924.

It is an arithmetic number, because the mean of its divisors is an integer number (1980506238).

Almost surely, 2^20434522544 is an apocalyptic number.

It is an amenable number.

20434522544 is a deficient number, since it is larger than the sum of its proper divisors (19175602216).

20434522544 is a wasteful number, since it uses less digits than its factorization.

20434522544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588308 (or 588302 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

The spelling of 20434522544 in words is "twenty billion, four hundred thirty-four million, five hundred twenty-two thousand, five hundred forty-four".