20234499626655 has 24 divisors (see below), whose sum is σ = 35095094697312. Its totient is φ = 10784975592384.

The previous prime is 20234499626651. The next prime is 20234499626687. The reversal of 20234499626655 is 55662699443202.

20234499626655 is a `hidden beast` number, since 2 + 0 + 2 + 34 + 499 + 6 + 2 + 66 + 55 = 666.

It is not a de Polignac number, because 20234499626655 - 2² = 20234499626651 is a prime.

It is a super-2 number, since 2×20234499626655² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20234499626592 and 20234499626601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234499626651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140709459 + ... + 140853188.

It is an arithmetic number, because the mean of its divisors is an integer number (1462295612388).

Almost surely, 2^{20234499626655} is an apocalyptic number.

20234499626655 is a deficient number, since it is larger than the sum of its proper divisors (14860595070657).

20234499626655 is a wasteful number, since it uses less digits than its factorization.

20234499626655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281564255 (or 281564252 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 63.

The spelling of 20234499626655 in words is "twenty trillion, two hundred thirty-four billion, four hundred ninety-nine million, six hundred twenty-six thousand, six hundred fifty-five".