20122402342 has 32 divisors (see below), whose sum is σ = 36563918400. Its totient is φ = 8107883520.

The previous prime is 20122402273. The next prime is 20122402367. The reversal of 20122402342 is 24320422102.

It is a super-2 number, since 2×20122402342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 179034 + ... + 268882.

It is an arithmetic number, because the mean of its divisors is an integer number (1142622450).

Almost surely, 2^20122402342 is an apocalyptic number.

20122402342 is a deficient number, since it is larger than the sum of its proper divisors (16441516058).

20122402342 is a wasteful number, since it uses less digits than its factorization.

20122402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90816.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20122402342 its reverse (24320422102), we get a palindrome (44442824444).

The spelling of 20122402342 in words is "twenty billion, one hundred twenty-two million, four hundred two thousand, three hundred forty-two".