20044041501 has 32 divisors (see below), whose sum is σ = 30140288640. Its totient is φ = 11742796800.

The previous prime is 20044041497. The next prime is 20044041517. The reversal of 20044041501 is 10514044002.

It is a happy number.

It is not a de Polignac number, because 20044041501 - 2² = 20044041497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044041001) 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, 79521 + ... + 215433.

It is an arithmetic number, because the mean of its divisors is an integer number (941884020).

Almost surely, 2^20044041501 is an apocalyptic number.

It is an amenable number.

20044041501 is a deficient number, since it is larger than the sum of its proper divisors (10096247139).

20044041501 is a wasteful number, since it uses less digits than its factorization.

20044041501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136077.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20044041501 its reverse (10514044002), we get a palindrome (30558085503).

The spelling of 20044041501 in words is "twenty billion, forty-four million, forty-one thousand, five hundred one".