20011544002 has 16 divisors (see below), whose sum is σ = 31603066560. Its totient is φ = 9477384912.

The previous prime is 20011543961. The next prime is 20011544027. The reversal of 20011544002 is 20044511002.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 170083 + ... + 262585.

It is an arithmetic number, because the mean of its divisors is an integer number (1975191660).

Almost surely, 2^20011544002 is an apocalyptic number.

20011544002 is a deficient number, since it is larger than the sum of its proper divisors (11591522558).

20011544002 is a wasteful number, since it uses less digits than its factorization.

20011544002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98217.

The product of its (nonzero) digits is 320, while the sum is 19.

The spelling of 20011544002 in words is "twenty billion, eleven million, five hundred forty-four thousand, two".