20350121551034 has 32 divisors (see below), whose sum is σ = 35288688536640. Its totient is φ = 8713256406400.

The previous prime is 20350121551007. The next prime is 20350121551061. The reversal of 20350121551034 is 43015512105302.

It is an interprime number because it is at equal distance from previous prime (20350121551007) and next prime (20350121551061).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388958504 + ... + 389010819.

It is an arithmetic number, because the mean of its divisors is an integer number (1102771516770).

Almost surely, 2^{20350121551034} is an apocalyptic number.

20350121551034 is a deficient number, since it is larger than the sum of its proper divisors (14938566985606).

20350121551034 is a wasteful number, since it uses less digits than its factorization.

20350121551034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777969406.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 20350121551034 its reverse (43015512105302), we get a palindrome (63365633656336).

The spelling of 20350121551034 in words is "twenty trillion, three hundred fifty billion, one hundred twenty-one million, five hundred fifty-one thousand, thirty-four".