20235264051434 has 8 divisors (see below), whose sum is σ = 30362215367268. Its totient is φ = 10114525595680.

The previous prime is 20235264051433. The next prime is 20235264051469. The reversal of 20235264051434 is 43415046253202.

It can be written as a sum of positive squares in 2 ways, for example, as 19610062305625 + 625201745809 = 4428325^2 + 790697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20235264051434² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20235264051391 and 20235264051400.

It is not an unprimeable number, because it can be changed into a prime (20235264051433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553206877 + ... + 1553219904.

Almost surely, 2^{20235264051434} is an apocalyptic number.

20235264051434 is a deficient number, since it is larger than the sum of its proper divisors (10126951315834).

20235264051434 is a wasteful number, since it uses less digits than its factorization.

20235264051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106430040.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 20235264051434 in words is "twenty trillion, two hundred thirty-five billion, two hundred sixty-four million, fifty-one thousand, four hundred thirty-four".