20346642453002 has 4 divisors (see below), whose sum is σ = 30519963679506. Its totient is φ = 10173321226500.

The previous prime is 20346642452987. The next prime is 20346642453013. The reversal of 20346642453002 is 20035424664302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17787061635841 + 2559580817161 = 4217471^2 + 1599869^2 .

It is a super-2 number, since 2×20346642453002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086660613249 + ... + 5086660613252.

Almost surely, 2^{20346642453002} is an apocalyptic number.

20346642453002 is a deficient number, since it is larger than the sum of its proper divisors (10173321226504).

20346642453002 is a wasteful number, since it uses less digits than its factorization.

20346642453002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173321226503.

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 20346642453002 in words is "twenty trillion, three hundred forty-six billion, six hundred forty-two million, four hundred fifty-three thousand, two".