620152436 has 6 divisors (see below), whose sum is σ = 1085266770. Its totient is φ = 310076216.

The previous prime is 620152433. The next prime is 620152441. The reversal of 620152436 is 634251026.

It can be written as a sum of positive squares in only one way, i.e., 359329936 + 260822500 = 18956^2 + 16150^2 .

It is a junction number, because it is equal to n+sod(n) for n = 620152399 and 620152408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620152433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77519051 + ... + 77519058.

It is an arithmetic number, because the mean of its divisors is an integer number (180877795).

Almost surely, 2^620152436 is an apocalyptic number.

It is an amenable number.

620152436 is a deficient number, since it is larger than the sum of its proper divisors (465114334).

620152436 is a wasteful number, since it uses less digits than its factorization.

620152436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155038113 (or 155038111 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 620152436 is about 24902.8599963940. The cubic root of 620152436 is about 852.7717756482.

The spelling of 620152436 in words is "six hundred twenty million, one hundred fifty-two thousand, four hundred thirty-six".