20522004420135 has 32 divisors (see below), whose sum is σ = 35368077201408. Its totient is φ = 10131480437760.

The previous prime is 20522004420097. The next prime is 20522004420139. The reversal of 20522004420135 is 53102440022502.

It is not a de Polignac number, because 20522004420135 - 2⁷ = 20522004420007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522004420139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959409802 + ... + 959431191.

It is an arithmetic number, because the mean of its divisors is an integer number (1105252412544).

Almost surely, 2^{20522004420135} is an apocalyptic number.

20522004420135 is a deficient number, since it is larger than the sum of its proper divisors (14846072781273).

20522004420135 is a wasteful number, since it uses less digits than its factorization.

20522004420135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918841055.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20522004420135 its reverse (53102440022502), we get a palindrome (73624444442637).

The spelling of 20522004420135 in words is "twenty trillion, five hundred twenty-two billion, four million, four hundred twenty thousand, one hundred thirty-five".