20242727736430 has 32 divisors (see below), whose sum is σ = 38555451740160. Its totient is φ = 7630766462880.

The previous prime is 20242727736397. The next prime is 20242727736431. The reversal of 20242727736430 is 3463772724202.

It is a super-2 number, since 2×20242727736430² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242727736431) 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, 278865994 + ... + 278938573.

It is an arithmetic number, because the mean of its divisors is an integer number (1204857866880).

Almost surely, 2^{20242727736430} is an apocalyptic number.

20242727736430 is a deficient number, since it is larger than the sum of its proper divisors (18312724003730).

20242727736430 is a wasteful number, since it uses less digits than its factorization.

20242727736430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557804784.

The product of its (nonzero) digits is 4741632, while the sum is 49.

The spelling of 20242727736430 in words is "twenty trillion, two hundred forty-two billion, seven hundred twenty-seven million, seven hundred thirty-six thousand, four hundred thirty".