72020002060651 has 16 divisors (see below), whose sum is σ = 74923061653440. Its totient is φ = 69144998509440.

The previous prime is 72020002060649. The next prime is 72020002060661. The reversal of 72020002060651 is 15606020002027.

It is a cyclic number.

It is not a de Polignac number, because 72020002060651 - 2¹ = 72020002060649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72020002060661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48807850 + ... + 50261776.

It is an arithmetic number, because the mean of its divisors is an integer number (4682691353340).

Almost surely, 2^{72020002060651} is an apocalyptic number.

72020002060651 is a deficient number, since it is larger than the sum of its proper divisors (2903059592789).

72020002060651 is a wasteful number, since it uses less digits than its factorization.

72020002060651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463574.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 72020002060651 its reverse (15606020002027), we get a palindrome (87626022062678).

The spelling of 72020002060651 in words is "seventy-two trillion, twenty billion, two million, sixty thousand, six hundred fifty-one".