20135226060623 has 2 divisors, whose sum is σ = 20135226060624. Its totient is φ = 20135226060622.

The previous prime is 20135226060619. The next prime is 20135226060793. The reversal of 20135226060623 is 32606062253102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20135226060623 - 2² = 20135226060619 is a prime.

It is a super-2 number, since 2×20135226060623² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20135226060023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067613030311 + 10067613030312.

It is an arithmetic number, because the mean of its divisors is an integer number (10067613030312).

Almost surely, 2^{20135226060623} is an apocalyptic number.

20135226060623 is a deficient number, since it is larger than the sum of its proper divisors (1).

20135226060623 is an equidigital number, since it uses as much as digits as its factorization.

20135226060623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 20135226060623 in words is "twenty trillion, one hundred thirty-five billion, two hundred twenty-six million, sixty thousand, six hundred twenty-three".