20034356345644 has 24 divisors (see below), whose sum is σ = 35144170560128. Its totient is φ = 9993165799680.

The previous prime is 20034356345629. The next prime is 20034356345657. The reversal of 20034356345644 is 44654365343002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99536692 + ... + 99737764.

Almost surely, 2^{20034356345644} is an apocalyptic number.

It is an amenable number.

20034356345644 is a deficient number, since it is larger than the sum of its proper divisors (15109814214484).

20034356345644 is a wasteful number, since it uses less digits than its factorization.

20034356345644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260665 (or 260663 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 49.

The spelling of 20034356345644 in words is "twenty trillion, thirty-four billion, three hundred fifty-six million, three hundred forty-five thousand, six hundred forty-four".