20606003045 has 16 divisors (see below), whose sum is σ = 25082058240. Its totient is φ = 16248355200.

The previous prime is 20606003029. The next prime is 20606003057. The reversal of 20606003045 is 54030060602.

It is not a de Polignac number, because 20606003045 - 2⁴ = 20606003029 is a prime.

It is a super-2 number, since 2×20606003045² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2651876 + ... + 2659634.

It is an arithmetic number, because the mean of its divisors is an integer number (1567628640).

Almost surely, 2^20606003045 is an apocalyptic number.

It is an amenable number.

20606003045 is a deficient number, since it is larger than the sum of its proper divisors (4476055195).

20606003045 is an equidigital number, since it uses as much as digits as its factorization.

20606003045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15316.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20606003045 its reverse (54030060602), we get a palindrome (74636063647).

The spelling of 20606003045 in words is "twenty billion, six hundred six million, three thousand, forty-five".